He is the headmaster of the Wigglytuff guild, You would think he is serious and cool but he's really odd and silly but knows when get serious in situations.                                                                                                               Try to go for for a voice high but not low at the same time, my best preference is this:https://www.youtube.com/watch?v=28DXkIuRAJc(skip to 3:18 for the sound i"m basically talking about)