I doubt it was accidental to be honest with you.
Its like the hidden cocks and stuff in Disney animation backgrounds....
(
Redsushi! Whoop! Whoop! Yes, that one!,
Tue 4 Mar 2008, 18:22,
archived)
When trying to remember which episode this was from,
I typed "meowth penis" into Google. There's some very disturbing slash fiction out there...
(
Pretender,
Tue 4 Mar 2008, 18:30,
archived)