Saturday Festival Face-Off: Skrillex/Eminem

Both: 8:30pm, Honda/Samsung stage

Name: Sonny John Moore

Age: 26

Hometown: Los Angeles, Calif.

Height: 5'4"

Other Bands: From First to Last, Sonny & the Blood Monkeys, Twipz

Biggest Fuck You to the Music Industry: "Rock That Body" with the Black Eyed Peas

Hairstyle: Shaved on left, long on the right

Trouble With That Hairstyle: Once lit long side on fire with his own birthday cake candles

Number of Albums: 1

Grammy Nominations/wins: 8/6

Peak Austin Moment: SXSW 2012 at Mohawk

Song He Has to Play: "Scary Monsters and Nice Sprites"

Song He Shouldn't Play: "Scary Monsters and Nice Sprites"

Noteworthy Nemesis: Gillian Welch

Duet: "Dirty Vibe" with Diplo, G-Dragon, and CL

Famous Flame: Ellie Goulding

Why One Over the Other?: Neon shirt? Check. Shades? Check. Partying tonight? From dusk 'til dawn.

Name: Marshall Bruce Mathers III

Age: 41

Hometown: Detroit, Mich.

Height: 5'8"

Other Bands: D12, Bad Meets Evil

Biggest Fuck You to the Music Industry: "Ass Like That"

Hairstyle: Short, bleach-blond

Trouble With That Hairstyle: Early Aughties ended

No. 1 Albums: 7

Grammy Nominations/Wins: 39/13

Peak Austin Moment: ACL Fest 2014

Song He Has to Play: "My Dad's Gone Crazy"

Song He Shouldn't Play: "Love the Way You Lie"

Noteworthy Nemeses: Mariah Carey; Christina Aguilera; Moby; Tipper Gore; Triumph, the Insult Comic Dog

Duet: "Forgot About Dre," with Dr. Dre

Famous Flames: Kim Scott

Why One Over the Other?: One of the most talented tongue-twisters on the planet.