Hissfit appears in The Catwalk (the alleyway behind Everymart Uptown). He's one of the yokai you can get from the Crank-a-kai by using a Red Coin in the present. He can also appear in Gates of Whimsy. Alternatively, he can be found on Mystery Way.
Befriended: "I lost! How annoying. You're stupid if you won't be my friend."
Loafing: "Too mad to fight..."
Being traded: "Swapped without being asked?! GAH! You better PLAY with me!"
Receiving food (favourite): "Yum!"
Receiving food (normal): *chew*
Receiving food (disliked): "Oh, no you don't!"
Freed from Crank-a-kai (YW2): "Who said you could let me out? GAH! Now we're gonna have to be friends!"
Hissfit is the only pre-evolved form of a Yo-kai introduced in the first game to be introduced in Yo-kai Watch 2.
Hissfit's "random" nicknames in Yo-kai Watch 2 are: Grumbles, Stomper, Tantrum, and Kevin. In the Japanese version, his "random" nicknames are Okota, Okopun, Musharou, and Jitanda.
"Hissfit" is a corruption of hissy fit.
"Okomusha" translates as "warrior child", and could be a pun on okoru (怒る, "getting mad").