A wizard has turned you into a whale - Origin
Adam Rifkin stashed this in Whales!
No one knows where the phrase "A wizard has turned you into a whale" originated, but the meme has been circulating the Internet at least since 2008:
tl;dr: It's a parody of text-based adventure games of the 1980s but it's not from any particular game.
Nonetheless, I dig the 8-bit Orca:
Joyce pointed out that it makes a fine tee shirt:
19 bucks on sale here: