That's a fascinating theory that Papyrus isn't having! Maybe someone should ask Angus about it.

The marine dragon theory, on the other hand, is of dubious merit. "They're not tadpoles," Angus says, in a somewhat know-it-all-ish way, and then immediately doubts himself. They could be like tadpoles. He's a detective, not a scientist.

"Well. If they are dragons, why are they in a basket?"