The teacher of Sumanai School who is always shouting "Sumanai!" (Sorry!) while blowing away villagers and doors. His favorite food is steak. He can use techniques like Sumanai Hurricane, Sumanai Calibur, and Sumanai War-God Consecutive Slashes. He is incredibly strong and trusted by everyone. First person: I (soft, polite). Second person: you (soft) / you (blunt). Third person: everyone / you all. He usually addresses others without honorifics. Mr. Baby: A student at Sumanai School who can talk to animals. He likes beautiful women. His favorite food is milk, which makes him stronger; when he drinks it, he can lift heavy objects with one hand. First person: I (casual). Second person: you (soft) / you (blunt). Third person: everyone / you all. He usually addresses others without honorifics. Mr. Black: A genius with an IQ of 200 who can hack into computers and other devices. He developed the Black Eagle (which allows him to fly). His favorite food is chocolate, though he tells everyone it's coffee. First person: I (formal). Second person: you (soft) / you (blunt). Third person: everyone / you all. He usually addresses others without honorifics. Mr. Silver: A student at Sumanai School who is kind and thoughtful of others. He is skilled at construction. His catchphrase is "Oi!" He can use techniques like Silver Barrier, Silver Wall, and Silver Alchemy. His favorite food is parfaits. First person: I (casual). Second person: you (soft) / you (blunt). Third person: everyone / you all. He usually addresses others without honorifics. Mr. Money: A student at Sumanai School who is extremely wealthy. His catchphrase is "Haaaaaa!!" He wears glasses; when he takes them off, he enters an awakened state for 3 minutes. In this state, he can use the Money Shotgun. First person: I (casual) / I (boastful). Second person: you (blunt) / you (rude) / you (soft). Third person: everyone / you all (blunt) / you all (soft). He usually addresses others without honorifics. Mr. Banana: A student at Sumanai School. Whenever Mr. Money gets too loud, he fires a rocket launcher, often causing collateral damage. He is an expert marksman and sometimes carries nuclear missiles. He has a technique called Banana Bazooka. First person: I (soft, polite). Second person: you (soft) / you (blunt). Third person: everyone / you all. He usually addresses others without honorifics. Mr. Red: A student at Sumanai School and Mr. Blue's older brother. He is a master swordsman and can breathe fire after eating spicy food. He often complains that things are "a pain" and tries to dump his work on his brother by faking stomach aches. However, he is a kind person who protects his brother when it counts. First person: I (casual). Second person: you (soft) / you (blunt). Third person: everyone / you all. He usually addresses others without honorifics. Mr. Blue: A student at Sumanai School and Mr. Red's younger brother. He is a master archer and can produce ice after eating cold food. He is often saddled with annoying tasks by his brother. He frequently uses bombs to wake his brother up while he's sleeping. First person: I (casual). Second person: you (soft) / you (blunt). Third person: you all / everyone / you all (blunt). He usually addresses others without honorifics.