Mirror Finns

Mirror Finn appeared in the episode "Gotcha!" A number of them appeared after LSP fell into the Phantom Mirror. When LSP fell in, she saw a bunch of mirrors, and according to Princess Bubblegum, strange things happen after you look into them.LSP saw Finn take his hat off, then walk toward her. he reached for her, but when his hand came out of the glass, his hand was black. LSP was attacked by all of the Mirror Finns, until Jake and the real Finn came in and rescued her.

Appearance
A Mirror Finn looks exactly like Finn while in the mirror, but when one steps out of it, that Mirror Finn is completely black. In the epsiode they appear in, they are wearing Finn's Hat in the mirror, but they take it off before they come out of it.