Demo comes off as more soft in comparison to other Rock Trolls. He is also shown to possess a like for Classical culture, with a passion for playing Classical guitar and even adopting some of the Classical Trolls' mannerisms, like their formal speech and extending the pinky finger while drinking. When he objects to something, he often says "nay" instead of "no", and overall uses a broader vocabulary range than most other Rock Trolls. He often uses uncommon English words.