Sensei

(先生) is the one of the main characters of the Planet With series. He is a large purple cat who usually speaks in meows that Ginko translates.

Appearance
He is a large purple cat with yellow eyes.

Background
He is revealed to be a leader of the Pacifist Faction of the Nebulans who tried to save the planet Sirius before it was destroyed. His real name is Rashaverak.

Abilities
Sensei is capable of transforming into a small mech that Soya pilots after being swallowed by him. Sensei also has a spaceship that looks like his normal form, but at a massive scale.

Trivia

 * His meows can be translated into sentences of variable length.
 * He only says "Nya" in varying tones, and Ginko translates accordingly.