Normal. Undyne prepares to throw her spear at the protagonist Undyne is a piscine, anthropomorphic monster. She has blue scales and a long red ponytail. She has red and blue fins on the sides of her head, and a pair of sharp, yellow, protruding teeth.

What type of monster is Undyne?

Normal. Undyne prepares to throw her spear at the protagonist Undyne is a piscine, anthropomorphic monster. She has blue scales and a long red ponytail. She has red and blue fins on the sides of her head, and a pair of sharp, yellow, protruding teeth.

Is Undyne a boy or a girl?

Undyne is female, and she loves Alphys. She seems to be a lesbian since she said the Garbage Dump is a great place to meet girls (and then said not to quote her on that). Alphys is also female, and she’s bisexual (or maybe pansexual).