He has brown eyes and hair, similar to Shu. His beard is often left unshaved and messy, due to his lack of concern to himself because most of times he busy researching. He is quite tall, and mostly seen with white-laboratorium jacket and glasses.
He is smart, clever, and a hard-worker, spend most of his time in his research. Because of this, he is not really good at interacting with others, thus he named his son Shu, which means group. It could implied that he hoped his son would group with a lot of friends.