Dr. Mafune was leading scientist in his field until he discovered Titanosaurus . He try prove Kaiju exist back no one believe him so the Science Academy kick them out. Not too long after that kaijus existence became real then the principal AKA Headmaster of Kaiju Academy then hired him on as a science teacher. He's a very intelligent and very well renowned man that has crazy outburst sometimes in his class he has a younger daughter named katsura that helps him with his sudden outburst. If you want to research this character for the role go watch the movie Terror of Mechagodzilla to get ideas of what the character would sound or look like. But  him and his daughter have a major role to play in the first season of Kaiju Academy.