Post a character who's a total space-cadet.

kyuubey from puella magi madoka magica

as the majority of the fandom likes to call them, they're a space ferret

Vegeta & Goku (Dragonball Z)

Both are space cadets...........eheh eh eh
warriors from Saiyan race........he he ehe h

Yashiro from Denpa Onna to Seishun Otoko.

Gene Starwind from Outlaw Star

Dandy from Space☆Dandy.