Wazzat is a green Yo-kai that resembles a top hat. It has thick and gummy purple lips that form the brim with scattered square teeth. It has a red bow or ribbon around it to act like Wazzat's nose. On top are two eye-stalks with swirled eyes.
Wazzat wipes various memories clean. He makes you forget everything. He feeds on people's memories, and makes them forget everything.
Profile
Yo-kai Watch
Wazzat is automatically befriended through the main story; it also appears on trees everywhere in Downtown Springdale during the day. He can be used in your dad's office to change Yo-kai nicknames.
Yo-kai Watch 2
Wazzat appears at night on trees everywhere in Breezy Hills and in trees in Downtown Springdale. Another way to find Wazzat is in the Gates of Whimsy. He can be used on a baffle board by Excellent Tower to change Yo-kai nicknames.
Yo-kai Watch 3
Wazzat can be found in Downtown Springdale, in Blossom Heights, and on Mt. Wildwood. He can be used on a baffle board by Greenfields Station to change Yo-kai nicknames.
He can also be found in the Academy Shortcut, the Jumbo Slider and the Mountain Path.
"Wasurenbo" is a combination of wasurenbō (Japanese: 忘れん坊,"forgetful person") and bō (Japanese: 帽,"headwear").
"Wazzat" is a corruption of the English phrase "What's that?" combined with hat.
"Komemo" is a contraction of "Comer Memorias" (Eat Memories).
"Chaipô" is a portmanteau of chapeau (hat) and chais pas, a familiar way of saying je ne sais pas (I don't know).
"Dimenticap" is a combination of "dimenticare" (to forget) and "cap".
"Aminola" is a combination of "Amnésia" (amnesia) and "Cartola" (Topper)
Origin
Wazzat being originally a discarded hat references the tsukumogami, a species of yo-kai that are born from inanimate objects (hats, mirrors, scissors, etc.) that have been discarded and later gained sentience after a set amount of time.
Trivia
Wazzat's "random" nicknames in Yo-kai Watch 2 are: Forgetti, Amnesi, Memoreat, and Cappy.