There's a character in the Marvel Comics universe named the Huntsman of Zeus. We'll give you one guess as to who the inspiration is.
In the cult arcade game Ocean Hunter, there's a killer squid named Cephalus that terrorizes players with its whiplash attacks. Doesn't sound quite like our guy.
Check out this beautiful butterfly from the genus Procris. (Go on. Do it. You know you like butterflies.)
Some diseases that affect the nervous system are called cephalic disorders. Why? Because cephalic means "head" in Greek. (Cephalus has never been that happy about the fact that his name makes some people think of disease.)