Recurring character in the [[PuyoPuyo]] series, first appeared in [[PuyoPuyo Fever]]. Diligent but sometimes geeky classmate of [[Amitie (puyopuyo)|Amitie]]. He admires [[Lemres (puyopuyo)|Lemres]], though he is disliked by [[Feli (puyopuyo)|Feli]] because of it. His book seals an ancient demon within it, and transforms into [[Strange Klug]] after being possessed by the demon.

Voiced by [[Sonozaki Mie]] in Japanese and Edward Bosco in English.
クルーク