Yanagida

Gender: Male
Race: Youkai (Ittan-Momen)
Height: 35m when

It's Ittan Momen. Contrary to his cute appearance, he's a mad scientist. He belongs to the science club and is always developing suspicious drugs. Whenever he appears, there are usually some kind of "chuun" or "chudon" sound effects playing.

(Source: Wiki and Official website)