*nod nod* the harpy would get distracted by shiny things but, hope no swords cuts his hair/feathers or make him lose shiny things. 

He can get angry and furious, he did grow up in a colony of harpies, which tended to gorge eyes and rip things to shreds pretty often during the week. But its pretty much dependable on situation to make Humhum act like that. He was always the silent type compared to his family. Hence him name XP

HumHum: oh can I eat the  mmmmmmmm~ blob fish now hm? 

Me: no dont eat that fish. Get another fish. One that doesnt have a name. 

Humhum: oh....okay mmm. I was getting hungry. mmmh...