Mike is a tough guy who is the treasurer of the class of 2082 at a college with a huge football team. He is very popular in his class, because he is a former football player. He loves rap music and break dancing to the music. Mike has an entire group of followers who look up to him and follow in his footsteps.
Yani is a very skillful assassin from the Demon World, who is one of the last of the Koroshiya family. When his niece Kali is younger, he lets her tag along on his missions so she doesn't have to go out on her own. He is usually very tough, but has a soft spot for kids and relatives of his.