Raphael 2 is a large naked turtle. He is an LSD scientist, but instead of actually experimenting with LSD, he experiments on people and turtles who use LSD and keep them in cages.
Relevant articles:
http://squackle.com/8740/broadcasting-company/little-puppy-rosy-the-substance-abuse-puppy-and-pals-episode-1-lsd/
