An insufferable know it all who constantly shouts out things too difficult to understand for any normal person, in hit RPG game "The world ends with you
". You can learn many math things from him though.
Some quotes are:
1. So zetta slow!
2. Factoring hectopascals!
3. You zetta sons a' digits!
4. SOH CAH TOA!
5. SINE! COSINE! TANGENT!!
You can defeat Minamimoto, but you cant erase him. Not even Joshua can.