Caliban

A salvage and deformed slave in Shakespeare's The Tempest.

See for example Act II, Scene 2:

Trinculo: What have we here? a man or a fish? dead or alive? a fish: he smells like a fish; a very ancient and fish-like smell; a kind of, not of the newest Poor-John. a strange fish! Were I in England now, as once I was, and had but this fish painted, not a holiday fool there but would give a piece of silver: there would this monster make a man: when they will not give a doit to relieve a lame beggar, they will lay out ten to see a dead Indian. legg'd like a man! and his fins like arms! Warm o' my troth! I do now let loose my opinion, hold it no longer: this is no fish, but an islander, that hath lately suffered by a thunderbolt...'