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 Matt Hays, Brett Herman, and Owlyn Madrone. The crew specializes 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 and professional atmosphere, clean workspace, and attentive service.
Walk-ins are welcome Wednesdays through Saturdays from 11AM to 7PM, and by appointment. Our clients feel genuinely listened to and cared for during consultations and sessions.
Mammoth American offers a polished but warm environment where creativity thrives and your tattoos come to life through an inviting neighborhood vibe, rotating gallery shows, and a solid music playlist.