diff --git a/src/Argument/Argument.php b/src/Argument/Argument.php
index 0a2ed7ea..400192ff 100644
--- a/src/Argument/Argument.php
+++ b/src/Argument/Argument.php
@@ -2,7 +2,7 @@
 
 namespace League\CLImate\Argument;
 
-use League\CLImate\Exceptions\InvalidArgumentCastTypeException;
+use League\CLImate\Exceptions\UnexpectedValueException;
 use function is_array;
 
 class Argument
@@ -281,13 +281,15 @@ public function castTo()
      *
      * Valid data types are "string", "int", "float", and "bool".
      *
-     * @throws \Exception if $castTo is not a valid data type.
      * @param string $castTo
+     *
+     * @return void
+     * @throws UnexpectedValueException if $castTo is not a valid data type.
      */
     protected function setCastTo($castTo)
     {
         if (!in_array($castTo, ['string', 'int', 'float', 'bool'])) {
-            throw new InvalidArgumentCastTypeException(
+            throw new UnexpectedValueException(
                 "An argument may only be cast to the data type "
                 . "'string', 'int', 'float', or 'bool'."
             );
diff --git a/src/Argument/Manager.php b/src/Argument/Manager.php
index 5a62b307..93e379b0 100644
--- a/src/Argument/Manager.php
+++ b/src/Argument/Manager.php
@@ -3,7 +3,7 @@
 namespace League\CLImate\Argument;
 
 use League\CLImate\CLImate;
-use League\CLImate\Exceptions\InvalidTypeException;
+use League\CLImate\Exceptions\InvalidArgumentException;
 
 class Manager
 {
@@ -52,9 +52,11 @@ public function __construct()
     /**
      * Add an argument.
      *
-     * @throws \Exception if $argument isn't an array or Argument object.
      * @param Argument|string|array $argument
      * @param $options
+     *
+     * @return void
+     * @throws InvalidArgumentException if $argument isn't an array or Argument object.
      */
     public function add($argument, array $options = [])
     {
@@ -67,8 +69,8 @@ public function add($argument, array $options = [])
             $argument = Argument::createFromArray($argument, $options);
         }
 
-        if (!($argument instanceof Argument)) {
-            throw new InvalidTypeException('Please provide an argument name or object.');
+        if (!$argument instanceof Argument) {
+            throw new InvalidArgumentException('Please provide an argument name or object.');
         }
 
         $this->arguments[$argument->name()] = $argument;
@@ -228,7 +230,6 @@ public function usage(CLImate $climate, array $argv = null)
     /**
      * Parse command line arguments into CLImate arguments.
      *
-     * @throws \Exception if required arguments aren't defined.
      * @param array $argv
      */
     public function parse(array $argv = null)
diff --git a/src/Argument/Parser.php b/src/Argument/Parser.php
index f42ad89e..b91e4d6e 100644
--- a/src/Argument/Parser.php
+++ b/src/Argument/Parser.php
@@ -2,7 +2,7 @@
 
 namespace League\CLImate\Argument;
 
-use League\CLImate\Exceptions\MissingRequiredArgumentException;
+use League\CLImate\Exceptions\InvalidArgumentException;
 
 class Parser
 {
@@ -44,8 +44,10 @@ public function setFilter($filter, $arguments)
     /**
      * Parse command line arguments into CLImate arguments.
      *
-     * @throws \Exception if required arguments aren't defined.
      * @param array $argv
+     *
+     * @return void
+     * @throws InvalidArgumentException if required arguments aren't defined.
      */
     public function parse(array $argv = null)
     {
@@ -64,7 +66,7 @@ public function parse(array $argv = null)
         $missingArguments = $this->filter->missing();
 
         if (count($missingArguments) > 0) {
-            throw new MissingRequiredArgumentException(
+            throw new InvalidArgumentException(
                 'The following arguments are required: '
                 . $this->summary->short($missingArguments) . '.'
             );
diff --git a/src/Exceptions/InvalidArgumentCastTypeException.php b/src/Exceptions/InvalidArgumentCastTypeException.php
deleted file mode 100644
index 62aef788..00000000
--- a/src/Exceptions/InvalidArgumentCastTypeException.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-
-namespace League\CLImate\Exceptions;
-
-class InvalidArgumentCastTypeException extends \Exception implements Exception
-{
-}
diff --git a/src/Exceptions/InvalidArgumentException.php b/src/Exceptions/InvalidArgumentException.php
new file mode 100644
index 00000000..e9bcd7d6
--- /dev/null
+++ b/src/Exceptions/InvalidArgumentException.php
@@ -0,0 +1,7 @@
+<?php
+
+namespace League\CLImate\Exceptions;
+
+class InvalidArgumentException extends \InvalidArgumentException implements Exception
+{
+}
diff --git a/src/Exceptions/InvalidTypeException.php b/src/Exceptions/InvalidTypeException.php
deleted file mode 100644
index 9270dd93..00000000
--- a/src/Exceptions/InvalidTypeException.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-
-namespace League\CLImate\Exceptions;
-
-class InvalidTypeException extends \Exception implements Exception
-{
-}
\ No newline at end of file
diff --git a/src/Exceptions/MissingClassException.php b/src/Exceptions/MissingClassException.php
deleted file mode 100644
index eed6e53d..00000000
--- a/src/Exceptions/MissingClassException.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-
-namespace League\CLImate\Exceptions;
-
-class MissingClassException extends \Exception implements Exception
-{
-}
diff --git a/src/Exceptions/MissingRequiredArgumentException.php b/src/Exceptions/MissingRequiredArgumentException.php
deleted file mode 100644
index 720a0480..00000000
--- a/src/Exceptions/MissingRequiredArgumentException.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-
-namespace League\CLImate\Exceptions;
-
-class MissingRequiredArgumentException extends \Exception implements Exception
-{
-}
diff --git a/src/Exceptions/RuntimeException.php b/src/Exceptions/RuntimeException.php
index 8ac0010b..62c94c95 100644
--- a/src/Exceptions/RuntimeException.php
+++ b/src/Exceptions/RuntimeException.php
@@ -2,6 +2,6 @@
 
 namespace League\CLImate\Exceptions;
 
-class RuntimeException extends \Exception implements Exception
+class RuntimeException extends \RuntimeException implements Exception
 {
 }
diff --git a/src/Exceptions/SPLUnexpectedValueException.php b/src/Exceptions/SPLUnexpectedValueException.php
deleted file mode 100644
index 121d31b4..00000000
--- a/src/Exceptions/SPLUnexpectedValueException.php
+++ /dev/null
@@ -1,7 +0,0 @@
-<?php
-
-namespace League\CLImate\Exceptions;
-
-class SPLUnexpectedValueException extends \UnexpectedValueException implements Exception
-{
-}
diff --git a/src/Exceptions/UnexpectedValueException.php b/src/Exceptions/UnexpectedValueException.php
index a218b777..7b0baf4b 100644
--- a/src/Exceptions/UnexpectedValueException.php
+++ b/src/Exceptions/UnexpectedValueException.php
@@ -2,6 +2,6 @@
 
 namespace League\CLImate\Exceptions;
 
-class UnexpectedValueException extends \Exception implements Exception
+class UnexpectedValueException extends \UnexpectedValueException implements Exception
 {
 }
diff --git a/src/TerminalObject/Dynamic/Progress.php b/src/TerminalObject/Dynamic/Progress.php
index 6026152f..e673eda3 100644
--- a/src/TerminalObject/Dynamic/Progress.php
+++ b/src/TerminalObject/Dynamic/Progress.php
@@ -93,7 +93,9 @@ public function total($total)
      *
      * @param integer $current
      * @param mixed   $label
-     * @throws \Exception
+     *
+     * @return void
+     * @throws UnexpectedValueException
      */
     public function current($current, $label = null)
     {
diff --git a/src/TerminalObject/Dynamic/Spinner.php b/src/TerminalObject/Dynamic/Spinner.php
index 12a7a8b7..66b6fac2 100644
--- a/src/TerminalObject/Dynamic/Spinner.php
+++ b/src/TerminalObject/Dynamic/Spinner.php
@@ -2,7 +2,7 @@
 
 namespace League\CLImate\TerminalObject\Dynamic;
 
-use League\CLImate\Exceptions\SPLUnexpectedValueException;
+use League\CLImate\Exceptions\UnexpectedValueException;
 use function array_merge;
 use function count;
 use function microtime;
@@ -94,7 +94,7 @@ public function timeLimit($timeLimit)
     public function characters(...$characters)
     {
         if (count($characters) < 1) {
-            throw new SPLUnexpectedValueException("You must specify the characters to use");
+            throw new UnexpectedValueException("You must specify the characters to use");
         }
 
         $this->characters = $characters;
diff --git a/src/TerminalObject/Helper/Art.php b/src/TerminalObject/Helper/Art.php
index 14cb1519..ade8105e 100644
--- a/src/TerminalObject/Helper/Art.php
+++ b/src/TerminalObject/Helper/Art.php
@@ -2,7 +2,7 @@
 
 namespace League\CLImate\TerminalObject\Helper;
 
-use League\CLImate\Exceptions\SPLUnexpectedValueException;
+use League\CLImate\Exceptions\UnexpectedValueException;
 
 trait Art
 {
@@ -95,7 +95,7 @@ protected function artFile($art)
         }
 
         if (count($files) === 0) {
-            throw new SPLUnexpectedValueException("Unable to find an art file with the name '{$art}'");
+            throw new UnexpectedValueException("Unable to find an art file with the name '{$art}'");
         }
 
         return reset($files);
diff --git a/src/TerminalObject/Router/ExtensionCollection.php b/src/TerminalObject/Router/ExtensionCollection.php
index 1312eea5..fea4f2a3 100644
--- a/src/TerminalObject/Router/ExtensionCollection.php
+++ b/src/TerminalObject/Router/ExtensionCollection.php
@@ -2,8 +2,8 @@
 
 namespace League\CLImate\TerminalObject\Router;
 
-use League\CLImate\Exceptions\InvalidTypeException;
-use League\CLImate\Exceptions\MissingClassException;
+use League\CLImate\Exceptions\InvalidArgumentException;
+use League\CLImate\Exceptions\UnexpectedValueException;
 use League\CLImate\Util\Helper;
 
 class ExtensionCollection
@@ -39,7 +39,7 @@ public function collection()
      * @param string $original_key
      * @param string|object|array $original_class
      *
-     * @return type
+     * @return void
      */
     protected function createCollection($original_key, $original_class)
     {
@@ -82,19 +82,19 @@ protected function validateExtension($class)
     /**
      * @param string|object $class
      *
-     * @throws \Exception if extension class does not exist
+     * @throws UnexpectedValueException if extension class does not exist
      */
     protected function validateClassExists($class)
     {
         if (is_string($class) && !class_exists($class)) {
-            throw new MissingClassException('Class does not exist: ' . $class);
+            throw new UnexpectedValueException('Class does not exist: ' . $class);
         }
     }
 
     /**
      * @param string|object $class
      *
-     * @throws \Exception if extension class does not implement either Dynamic or Basic interface
+     * @throws InvalidArgumentException if extension class does not implement either Dynamic or Basic interface
      */
     protected function validateClassImplementation($class)
     {
@@ -104,7 +104,7 @@ protected function validateClassImplementation($class)
                                     || is_a($class, $this->dynamic_interface, $str_class));
 
         if (!$valid_implementation) {
-            throw new InvalidTypeException('Class must implement either '
+            throw new InvalidArgumentException('Class must implement either '
                                     . $this->basic_interface . ' or ' . $this->dynamic_interface);
         }
     }
diff --git a/src/Util/Output.php b/src/Util/Output.php
index a158c190..51d6dcca 100644
--- a/src/Util/Output.php
+++ b/src/Util/Output.php
@@ -2,7 +2,8 @@
 
 namespace League\CLImate\Util;
 
-use League\CLImate\Exceptions\InvalidTypeException;
+use League\CLImate\Exceptions\InvalidArgumentException;
+use League\CLImate\Exceptions\UnexpectedValueException;
 use League\CLImate\Util\Writer\WriterInterface;
 
 class Output
@@ -133,15 +134,15 @@ public function persist($persist = true)
     /**
      * Get a specific writer
      *
-     * @throws \Exception if writer key doesn't exist
      * @param string $writer
      *
      * @return WriterInterface|array
+     * @throws UnexpectedValueException if writer key doesn't exist
      */
     public function get($writer)
     {
         if (!array_key_exists($writer, $this->writers)) {
-            throw new InvalidTypeException('Unknown writer [' . $writer . ']');
+            throw new UnexpectedValueException('Unknown writer [' . $writer . ']');
         }
 
         if (count($this->writers[$writer]) == 1) {
@@ -243,19 +244,19 @@ protected function resolveStringWriter($writer)
 
     /**
      * @param mixed $writer
-     * @throws \Exception For non-valid writer
+     * @throws InvalidArgumentException For non-valid writer
      */
     protected function handleUnknownWriter($writer)
     {
         // If we've gotten this far and don't know what it is,
         // let's at least try and give a helpful error message
         if (is_object($writer)) {
-            throw new InvalidTypeException('Class [' . get_class($writer) . '] must implement '
+            throw new InvalidArgumentException('Class [' . get_class($writer) . '] must implement '
                                     . 'League\CLImate\Util\Writer\WriterInterface.');
         }
 
         // No idea, just tell them we can't resolve it
-        throw new InvalidTypeException('Unable to resolve writer [' . $writer . ']');
+        throw new InvalidArgumentException('Unable to resolve writer [' . $writer . ']');
     }
 
     /**
diff --git a/src/Util/Reader/Stdin.php b/src/Util/Reader/Stdin.php
index 9c92a9a4..28f5996f 100644
--- a/src/Util/Reader/Stdin.php
+++ b/src/Util/Reader/Stdin.php
@@ -57,7 +57,7 @@ public function hidden()
      * Lazily re-opens STDIN after hitting an EOF
      *
      * @return resource
-     * @throws \Exception
+     * @throws RuntimeException
      */
     protected function getStdIn()
     {
@@ -77,7 +77,8 @@ protected function getStdIn()
     /**
      * Attempt to set the stdin property
      *
-     * @throws \Exception
+     * @return void
+     * @throws RuntimeException
      */
     protected function setStdIn()
     {