Koitsu, Aitsu, Soitsu and Doitsu

Koitsu, Aitsu, Soitsu and Doitsu are recurrent playable characters in the Parodius series. They resemble little stick men flying on paper airplanes.

Background

Their names are commonly used in Japanese slang terms to refer to people one doesn't know:

Koitsu = this guy
Aitsu = that guy (far from both chatters)
Soitsu = that guy (far from the speaker but near to the listener)
Doitsu = who?

Weapon set

Gokujō Parodius!

S: Speed Up
M: Homing Missile
D: Round Shot
L: Wave
O: Grade Up
?: Aura

Sexy Parodius

S: Speed Up
M: Strong Missile
D: Round Shot
L: Wave
O: Grade Up
?: Aura

Other appearances

Yu-Gi-Oh! - They appear as playable monsters in this trading card game. Their full power cannot be utilized unless they're played in pairs.
Castlevania: Portrait of Ruin - Cameo as a sub-weapon skill.
Castlevania: Harmony of Despair - Cameo as a sub-weapon skill.

Gallery

Template:Gokujou Parodius Template:Jikkyou Oshaberi Parodius

Sexy Parodius
Characters	Vic Viper and Lord British • Ivan and Toby • Hikaru and Akane • Mambo and Samba • Michael and Gabriel • Koitsu and Aitsu • Option and Multiple • Shooting Star and Black Viper (Ace) • The Old Lecher Tako
Stages	Farm • Bath House • Underwater Palace • Castle Dracula • Girl Factory • Coal Mine • Sweet Sky • Boss Rush • Taj Mahal • Special Stage
Bosses	Corn Chiwa • Finally Penguin • Otohime • Medusa • Transporting Crane • Tanuko the Tanuki • Candy Core • Capsule Monster Cappuccino • Captain Penguinovski the 3rd • Eagle Eagle Sabnosuke • Hot Lips • Yuko • "Mon" • Kaori • Sexy Star