Beartooth Merch Beartooth is the project of Caleb Shomo, the lead singer of Attack Attack! and Of Mice And Men. He writes all the music, sings and plays every instrument himself. The debut EP SICK and the first record DISGUSTING were both huge hits. Now the band is back with their second album AGGRESSIVE. SICK T-Shirt Show your support for those suffering from chronic health conditions like fibromyalgia, POTS, Ehlers Danlos syndrome, arthritis, dysautonomia and more with this super-soft, premium, women's cut t-shirt. Made with high-density signature cotton for superior print clarity, this comfy tee is designed to last and has been pre-shrunk for minimal shrinkage. Beartooth's debut EP SICK and DISGUSTING were huge hits, proving that metalcore meets catchy choruses is a winning combo. Lead singer Caleb Shomo does everything himself - plays all the instruments, sings and is responsible for the production.