Pollen is the son of Beelzebub, the Queen of gluttony and one of the 7 deadly sins. 

Despite being a demon of gluttony Pollen is not a big eater but he has a big hunger for knowledge. He studied hell, his history and all very extensively. He loves to write and is very intelligent. 

He is also in a relationship with Silk (a spider demon and the son of leviathan). He is a very supportive boyfriend and cares about silk well being. And he knows that his relationship with leviathan is not healthy. 