1 Tom Araya
Tomás Enrique "Tom" Araya Díaz is a Chilean American musician, best known as the bassist and vocalist of the American thrash metal band Slayer.
Lol. What kind of dumb list is this?
If you think about it, he would make 1D more tolerable and AWESOME! But, sadly, that will never happen. - Pony
They'd be terrified. Imagine a Slayer / 1D medley... - IronSabbathPriest
Never replace Zayn I love Zayn and you spelled Zayns name wrong I Love Zayn
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2 George Corpsegrinder Fisher
Clue's in the name really. - IronSabbathPriest
3 Mike Portnoy
Michael Portnoy is an American drummer primarily known as the former drummer, backing vocalist, and a co-founder of the progressive metal/rock band Dream Theater. Known for his technical skill as a drummer, Portnoy has won 30 awards from the Modern Drummer magazine.
LORD I'M GOING PSYCHOSANE! - IronSabbathPriest
4 Dave Mustaine
David Scott "Dave" Mustaine (born September 13, 1961) is an American musician, singer, songwriter, actor and author. Mustaine is best known as a pioneer in Thrash Metal, being the former lead guitarist of Metallica before his dismissal in 1983, leading to finding and becoming the front man of his own ...read more.
5 Jonathan Davis
Jonathan Howsmon Davis, also known as JD and JDevil, is an American musician best known as the leading vocalist and frontman of the nu metal band Korn.
6 Kerry King
Kerry Ray King is an American musician, best known as a guitarist for the American thrash metal band Slayer.
Lol, they'd all be terrified of him. - IronSabbathPriest
7 Geddy Lee
Geddy Lee Weinrib, known professionally as Geddy Lee, is a Canadian musician, singer and songwriter best known as the lead vocalist, bassist, and keyboardist for the Canadian rock group Rush.
Lol, Geddy Lee will turn the rest away from him ( he is too good for 1D! ). - MusicalPony
I don't think his skills are advanced enough to replace him... - gemcloben
Rush wipe the floor with 1D. - IronSabbathPriest
8 Rob Halford
Robert John Arthur "Rob" Halford is an English singer and songwriter, who is best known as the lead vocalist for the Grammy Award-winning heavy metal band Judas Priest and famed for his powerful wide ranging operatic voice.
Well, he is gay. So he'd get on well with them! But seriously, Halford is awesome, don't make fun of his sexuality! - IronSabbathPriest
He's gay, so he'd get on with the rest of the band! Just kidding, Rob is one of the best vocalists of all time. - IronSabbathPriest
9 Phil Anselmo
Philip Hansen "Phil" Anselmo is an American musician who is best known as the former lead vocalist of the heavy metal band Pantera. He currently is the vocalist of heavy metal bands Down and Superjoint Ritual.
Might want to hold your mouth for war! - IronSabbathPriest
10 Varg Vikernes
Louis Cachet (born Kristian Vikernes) more popularly known as Varg Vikernes, is a Norwegian musician, writer, and a convicted murderer and arsonist. He is known as the frontman of the one-man band Burzum (named after a word in the Black Speech, which is a fictional language in J.R.R. Tolkien's The Lord ...read more.
He would probably kill the other 4... - gemcloben
11 King Diamond
Kim Bendix Petersen, better known by his stage name King Diamond, is a Danish heavy metal musician. He is known for his extensive vocal range, usually sung in falsetto. King Diamond was originally known as the vocalist for Mercyful Fate, but has become notorious for his horror themed Concept albums ...read more.
12 Synyster Gates
Brian Elwin Haner, Jr., better known by his stage name Synyster Gates or simply Syn, is an American musician, best known for being the lead guitarist and backing vocalist of the band Avenged Sevenfold.
13 Marilyn Manson
Brian Hugh Warner, better known by his stage name Marilyn Manson, is an American musician, songwriter, actor, painter, multimedia artist, author, and former music journalist.
Just imagine how shocked and scared 1D fans would be if they saw Manson as the replacement for Zayne.
14 Kirk Hammett
Kirk Lee Hammett is the lead guitarist and songwriter for the heavy metal band Metallica and has been a member of the band since 1983. Before joining Metallica he formed and named the band Exodus.
Imagine a one direction song with a kirk hammett solo. That'd get my attention. Slash would also work but I think he'll never get back into music after leaving Guns n Roses,sadly. - MrQuaz680
15 Chris Barnes
Chris Barnes is an American musician mainly noted for his deep-throat vocals, explicitly violent lyrics. Barnes was a founding member of Cannibal Corpse before his dismissal and would later form Six Feet Under, which he fronts to this day.
Lol I could imagine this - christangrant
16 Justin Bieber
Justin Drew Bieber (born March 1, 1994) is a Canadian singer, song writer, and record producer. He currently resides in Ontario, Canada (despite once claiming he was Part-Indian) and he is Christian. He is the son of an author, Pattie Mallet. ...read more.
For gods sake, who added this to my list? - IronSabbathPriest
17 Charlie Sheen
18 Mr. Lordi
Jørn Stubberud, AKA Necrobutcher, is a Norwegian bassist known as a founding member of the black metal band Mayhem .
20 Dave Days
21 Tyler Ward
22 Cody Simpson
Cody Robert Simpson is an Australian singer, songwriter, musician, dancer and actor from Gold Coast, Queensland, who was previously signed to US record label Atlantic Records.
23 Paris Hilton
Paris Whitney Hilton is an American businesswoman, socialite, television personality, model, actress, singer, DJ, and author .
24 Lil Wayne
Dwayne Michael Carter, Jr. is an American hip hop "artist" and is often referred to as one of the worst "rappers" of all time. He was signed to Cash Money Records by Birdman at a young age. He has been critically acclaimed and even more panned throughout his career. He's often criticized for talking ...read more.
25 Axl Rose
William Bruce Rose Jr., better known as 'Axl Rose', is an American singer born on February 6, 1962, in Lafayette, Indiana. He Is the founder and lead singer of the hard rock band Guns N' Roses. He is a celebrated but controversial figure in the world of rock.
WElcome to the Jungle style - MrQuaz680
26 Joe Jonas
Joseph Adam "Joe" Jonas (born August 15, 1989) is an American singer and actor. Jonas first rose to fame as a member of the pop-rock band Jonas Brothers, along with his brothers Kevin and Nick. ...read more.
He can do the high notes... - adarshjeet
27 Amy Lee
Amy Lynn Hartzler, known professionally as Amy Lee, is an American singer-songwriter, classically trained pianist and composer. She is also the lead singer to the Arkansas band Evanescence.
28 Ozzy Osbourne
John Michael "Ozzy" Osbourne was born on December 3, 1948. He is also known as ''The Prince of Darkness''. Ozzy is an English singer, songwriter, and television personality. He rose to prominence in the early 1970s as the lead vocalist of the band Black Sabbath. Osbourne was fired from Black Sabbath ...read more.
29 Jeff Walker
Adam Nergal Darski (born Adam Michał Darski; 10 June 1977 in Gdynia), is a Polish musician and television personality, best known for being the frontman for the black/death metal band Behemoth. ...read more.
31 Travis Ryan
Travis Ryan Collins, who goes by the stage name Travis Ryan, is an American musician known for being the vocalist of the Deathgrind band Cattle Decapitation.
32 Chuck Schuldiner
Charles Michael "Chuck" Schuldiner (1967-2001) was an American singer, songwriter, and guitarist, best known as the founder and vocalist, guitarist and bassist of the American heavy metal band Death. He is considered the most influential figure in Death Metal, with some publications referring to Chuck ...read more.
33 Mikael Akerfeldt
Lars Mikael Åkerfeldt is a Swedish musician, prominently known as the lead vocalist, guitarist, and primary songwriter of progressive death metal band Opeth, as well as being the former vocalist of death metal supergroup Bloodbath for three albums up until 2012. ...read more.
34 Bobby Ellsworth
Robert Ellsworth, mainly known as Bobby "Blitz" Ellsworth, is the lead vocalist of New Jersey thrash metal band Overkill.
Tomas Börje Forsberg, known by the stage name Quorthon (1966-2004), was a Swedish musician. He was the founder, songwriter, vocalist and guitarist of the band Bathory, which pioneered the black metal genre and is credited with creating the Viking metal style. A multi-instrumentalist, Quorthon wrote ...read more.
36 Jack Black
Thomas Jacob "Jack" Black is an American actor, singer, musician and comedian. His acting career has been extensive, starring primarily in comedy films. Black is the lead vocalist of the comedic rock group Tenacious D, which he formed in 1994 with friend Kyle Gass. They have released the albums Tenacious ...read more.