Gintoki Sakata

He's the boss of the Yorozuya (Jack of all trades) Company with Shinpachi (glasses boy, swordsman) and Kagura (glutton girl, member of the powerful race Yato tribe). He was previously known as Shiroyasha (a fearless white samurai who resembles a demon). Your a girl who needs help on saving your town from the space pirates who invade your town. So you went to the Yorozuya for help.