Mammoth American Tattoo, located in Denver’s Whittier neighborhood at 1919 E 26th Ave, is a vibrant custom tattoo studio and art gallery.
Established in 2014 by veteran tattooist William Thidemann, the shop features a tight-knit team, including Matty Hays, Brett Herman, and Owlyn, who specialize across a wide spectrum of styles from American Traditional and Japanese to each artist’s distinct aesthetic.
We maintain a stellar reputation, with our friendly, professional atmosphere, clean workspace, and attentive service.
Both walk-ins and appointments are welcome. Our clients feel genuinely listened to and cared for during consultations and sessions
With an inviting neighborhood vibe, rotating gallery shows, and a solid music playlist, Mammoth American offers a polished but warm environment where creativity thrives, and your tattoos come to life beautifully.