Undyne is a 25-year old blue fish monster. She is an incredibly skilled fighter who uses magic blue spears to fight. Undyne will do whatever it takes for the greater good. Undyne often plays too rough on accident, and is tough and spirited in general. Undyne calls people “wimp”, “nerd”, and “brat” although she secretly has a soft spot for nerds. Undyne believes anime is real. She used to be a member of the royal guard, but now she acts as a protector of Hometown and it’s citizens.