Steve Jaws is a light blue shark wearing glasses, a black shirt, light blue pants, and shoes. After leaving his position as head of Yopple, he's taken to wearing a grey hoodie.
Not much is known about Steve Jaws' Yo-kai abilities, although he is likely to possess considerable technical expertise as the re-creator of the Yo-Kai Watch Model Zero. After leaving Yopple Inc., he developed the Yokai Watch Dream and all its peripheral devices.
Yo-kai Watch animation series
Steve Jaws first appears in EP027, where he showcases his latest gadget namely the Yo-Kai Watch Model Zero. This leads to a big sale in Yo-kai-lifornia, Yo-kai World.
He later makes a brief appearance in EP035, having been invited by Directator to star in the shark attack scene of his latest movie "Yo-kai Titanic".
In EP070, it is revealed that Hidabat comes in second behind Steve Jaws as the richest Yo-kai.
In EP078, he is revealed to have stepped down from being in charge of Yopple Inc. due to a controversy about the Yo-Kai Watch Model Zero (claiming to have been the one who built it when it was Nate's grandfather). He is succeeded by Mark Shachiberg.
Yo-kai Watch 3
In Yo-kai Watch 3, he has gone into hiding somewhere in North America and is the one who builds the Yo-Kai Watch Dream and its weapon modes.