Tsundere. A genius science geek. His catchphrase is "This is exhilarating."

A mentalist. Loves cola. Calls everyone "-chan."

Airheaded and energetic. His catchphrase is "Badass!"

The wealthy heir of the Nanami Conglomerate. His catchphrase is "I want it!"

A former sonarman. A kind, older-brother figure.

Stanley's childhood friend; calls him Stan. A science geek. His catchphrases are "Science is elegant" and "Elegant." *Note: He is not wearing glasses.

Xeno's childhood friend. A sharpshooter. Speaks with a casual, slightly cynical tone.