Boris Schauer

Boris Schauer is a fictional character from the Model Suit Gunpla Builders Beginning G OVA series.

A senior "Gunpla Meister" who challenges Haru at the end of Part A with his GPB-X78-30 Forever Gundam. Sporting long, blonde hair and wearing sunglasses, he resembles Quattro Bajeena.

(Source: Gundam Wiki)