Conversation so far:
Was Comet good or bad?
Comet was originally introduced as a hero
What superhero was Comet with ?
Coment was with Linda Danvers as Supergirl
What powers did Comet have?
Comet had high-speed flight with a freezing contrail behind him. When he became an Angel of Love, he gained wings of ice, ice vision.

Question: What did Comet look like?
Self-contained rewrite: What did Comet look like?