Welsh band Lostprophets were the big winners at the 13th annual Kerrang! awards in London.
Liberation Transmission is Lostprophets' third album
The group were awarded both best British band and best album, for Liberation Transmission.
On a good night for Welsh music, Bullet For My Valentine scooped best single. US goth group My Chemical Romance were named as the best band on the planet.
But Muse, who were nominated for five awards, came away with only one - for best live band.
"We're a smaller country but we're tough," said Lostprophets.
"We may look like dandies but we can pack a punch."
Best Band On The Planet - My Chemical Romance
Best British Band - Lostprophets
Best Live Band - Muse
Best Album - Lostprophets (Liberation Transmission)
Best Single - Bullet For My Valentine (Tears Don't Fall)
Best Video - Fall Out Boy (Sugar, We're Going Down)
Best British Newcomer - Bring Me The Horizon
Best International Newcomer - Aiden
Classic Songwriter - Placebo
Spirit Of Independence - Prodigy (above)
Kerrang! Hall Of Fame - Slayer
Kerrang! Legend - Angus Young (AC/DC)
The awards ceremony was billed as a "twisted carnival" and featured a series of burlesque performances, with presenter Stuart Cable - Kerrang! radio host and former Stereophonics drummer - in the role of ringmaster.
It was also a celebration of 25 years of the rock magazine, and the magazine presented its Legend award to the cover star of its first ever issue - Angus Young of AC/DC.
New acts on the rock music scene were also rewarded.
Sheffield act Bring Me The Horizon took the best British newcomer award, which was voted for partly by users of internet site Myspace.com.
Best international newcomer was presented to theatrical Seattle group Aiden, who beat Panic! at the Disco and Angels And Airwaves, the supergroup formed by Blink 182 guitarist Tom DeLonge.
Lostprophets were the only act to take two trophies just over a year after founding member Mike Chiplin left to try different musical opportunities.
'Edgy and anarchic'
Liberation Transmission reached number one in the UK album chart following its release in June.
Bullet For My Valentine won best single for Tears Don't Fall, while Placebo received the prestigious classic songwriter award.
"By nature we kind of really hate nostalgia so we just keep looking forward the whole time.
Drummer-turned-presenter Stuart Cable hosted the awards
"But it's good to still be around, to still be attending these kinds of functions," said the band's singer Brian Molko.
Essex act the Prodigy took home the Spirit Of Independence award.
Although primarily seen as a dance act - so much so that Kerrang! received several complaints for putting them on the cover at the height of their fame - the magazine argued they are "edgy, anarchic, loud, and controversial" and "plenty rock n' roll enough to have been given this honour."
Slayer - whose 1986 release Reign Of Blood was described by the magazine as "the heaviest album of all time" - were introduced into the Kerrang! Hall Of Fame, 25 years after they were first formed.