He seems to be extremely aggressive and angry all the time. They often resort to anger quite easily, and they just have a grumpy demeaner most of the time. Iced Coffee also enjoys just being loud, as he just yells a lot, seen by how he joins the loud argument between them Doorstopper, Peppermint, Bioluminescenty, and Pea, and when everyone stopped yelling for a second, Iced Coffee was the one to continue it.