venomous but sluggish reddish-brown snake of Australia
a poisonous snake native to parts of the eastern and southern USA
a small snake which is quite common around here, and is very poisonous
Copperhead (Davis Lawfers) is a fictional supervillain from Marvel Comics. He was a member of the Serpent Society. There were at least two other villains of the same name.
Copperhead was a DC Comics supervillain, he first appeared in The Brave and the Bold #78, June (1968) and was created by Bob Haney and Bob Brown. The second Copperhead is a DC Comics superheroine from India, she first appears in 52 Week 10, September (2006), and was created by Geoff Johns and Chris Batista.