Florian Bertmer is a German illustrator from the hardcore punk, grindcore and metal scene. He has done artwork for Converge, Napalm Death, The Hope Conspiracy, The Dillinger Escape Plan, Agoraphobic Nosebleed, Pig Destroyer, Doomriders and others. His early works are reminiscent of Pushead while later works have become more Art Nouveau influenced. He fronted the band Cheerleaders Of The Apocalypse.
Artwork for Converge includes illustrations for the inside cover for The Poacher Diaries and back cover artwork and insert poster for Deeper the Wound. Since their 1998 "Rise from Ruin" European tour he has done several t-shirt designs as well and a sought after poster for their 2007 tour.
Artwork for Agoraphobic Nosebleed includes front cover artwork for Bestial Machinery (Discography Volume 1), Split with Kill the Client 7", A Clockwork Sodom 7", Split CD/LP with Apartment 213, Agorapocalypse, and a 7" split with Total Fucking Destruction. In collaboration with Shirts & Destroy he has done several online exclusive shirt designs for Agoraphobic Nosebleed.
Bertmer also designed the cover art for Jesuit's 2011 compilation album Discography.