Terrormisu (known by her false name as Tiaramisu) is the final boss of Wario: Master of Disguise.
In her human form, she has a red dress similar to that of Peach and two shadowed, white pupilless eyes.
in some story, she strongly resembles that of an imp, but with a white Phanto-like mask.
In her demon form, she Strongly resembles peach, except for a mask covering her actual face.
In-battle, she uses forms of three evil masks. In her sad form she appears to be a monster with four blue eyes (Genius Wario can reveal one of them as a red eye), followed by a sad phanto mask at the top, in her happy form, there are 15 holes that happy masks with eyes appear out of, they are grey at first, but when shot by Cosmic Wario, they Resemble a blue, glowing Phanto, similar to the mask in the sad form, in her final form, an angry red mask can be seen in The background, at the top of the arena is the true angry mask, which is devilish and red.
- Terrormisu's false name was "Tiaramisu".
- Terrormisu's name was derived from an Italian dessert, called "tiramisu".
- In her battle, her sprite is a strong resemblance of Princess Peach.