|“||No one can defeat the Fantastic Franklin!||”|
Franklin is the offspring of UnderSwap Sans and an unknown mother.
Franklin is a short skeleton wearing a green stocking cap and a version of his father's battle armor, that is lime green.
Franklin is overconfident in his own abilities and will often rush in head first, believing that "No one can defeat the Fantastic Franklin"
- Bone Attacks (varies in size and type)
- Gaster Blaster (Small and not very powerful)
- Bone Storm
- Very similar to the minigame during the credits of Undertale, except replacing the words with bones.
- His mother isn't US!Toriel.
- It's hinted his mother is an out-code.