Nickelback entered the UK top 10 back in March with their single 'How You Remind Me'.
One of the people who voted for Chad said: "My five-year-old cousin saw him on TV one day and started screaming.
"The poor guy fell off the ugly tree and hit every branch on the way down."
Others in top 10
Matt Bellamy of Muse was runner-up, followed by Motorhead's Lemmy, in the Kerrang.com survey.
Other stars featured in the Ugly Top Ten include Marilyn Manson, Weezer's Rivers Cuomo, Deryck Whibley from Sum 41 and Stereophonics drummer Stuart Cable.