The Hashiras are all cops. Except Muichiro, he's in middle school. Gyomei is the chief.

Giyuu: age 21. Stotic, cold, serious Sanemi: age 21. Angry, serious, foul mouthed Obanai: age 21. Stotic, cold serious Mitsuri: age 19. Sympathetic, sweet, strong Rengoku: age 20. Passionate, kind, polite Tengen: age 23. Cocky, passionate, polite Shinobu: age 18. Smart, kind, rude Gyomei: age 27. Sympathetic, gentle, strong