git-lol is a wrapper for git.
git clone git://github.com/spraints/git-lol.git
cd git-lol
export PATH=$PATH:`pwd`
git lol blame some-rev some-file
The ascii art is from http://www.xmission.com/~emailbox/ascii_cats.htm
Really? I'm going to put a license on this? Do whatever you want. This copy is (c) Matt Burke, 2011