Maestru

 Maestru is a character in Oobi. He is Oobi and Kako's singing teacher, as well as the leader of the local singing group. He is very strict and uptight. Despite this, he tries his best to be patient when he is with his students. Maestru can play the piano and the keyboard.

Appearance
Maestru was most likely designed to look like Beethoven. He has fair skin, blue-green eyes and black/gray hair. His index finger acts as a conducting baton, and he wears a black bow tie.