Protagonist of [[Youkai Watch]]. Voiced by [[Tomatsu Haruka]].

He has [[short hair|short]] [[brown hair]] and [[black eyes]]. His usual outfit is a [[red shirt|red]] [[t-shirt]] with a [[star (symbol)|]] on it, [[grey pants|grey]] [[cargo pants]] with a [[belt]], red-, white- and blue-striped [[boots]], and his [[youkai watch (object)|youkai]] [[wristwatch|watch]]. In winter he wears a [[red jacket|red]] [[hooded jacket]] over a [[yellow shirt]].

He is usually accompanied  by [[whisper (youkai watch)|Whisper]] and [[Jibanyan]].
天野景太 ケータ 天野ケータ ケーウィス 理科ケー