Brian Posehn (; born July 6, 1966) is an American stand-up comedian, actor, voice actor, musician, and writer. After numerous appearances as a television guest star, Posehn acquired his first major recurring role in HBO's Mr. Show with Bob and David (1995–1998). He is known for his roles as Jim Kuback on The WB's Mission Hill and Brian Spukowski on Comedy Central's The Sarah Silverman Program. Posehn had a recurring role on The Big Bang Theory as geologist Bert Kibbler. As a stand-up comedian, Posehn has released four comedy albums and one standalone music album. He has hosted the online Dungeons & Dragons podcast Nerd Poker since 2012. He has also done voice work for video games such as Halo 2, FusionFall, Brütal Legend, and Minecraft: Story Mode. Posehn received nominations for two Primetime Emmy Awards in 1998 and 1999 for Outstanding Writing for a Variety or Music Program for his work on Mr. Show with Bob and David, which he shared with the series' writing crew. Posehn also received a nomination for a DVDX Award for Best Original Song in a DVD Premiere Movie in 2003 for Run Ronnie Run!. Early life Posehn was born and raised in Sacramento, California. He is of German and Irish descent. He graduated from Sonoma Valley High School in 1984. He attended college at California State University, Sacramento. Career Television work Posehn began with guest appearances and mainly small roles in TV shows. He was on 28 episodes of Mr. Show with Bob and David (1995–1998), a sketch comedy series on HBO. In a 1996 episode of Friends, he delivered the manuscript in which Joey Tribbiani's soap opera character "Dr. Drake Ramoray" is killed. He appeared as two different characters in NewsRadio: a fan with questions for Jimmy James at a book reading (1997), and a member of Dave's a cappella group "Chock Full o' Notes" (1998). In the Seinfeld episode "The Burning" (1998), he played a patient, when Kramer "was given" gonorrhea. His character was instructed to "act out" to a group of medical students how a surgeon left a sponge in him post surgery. Posehn also wrote the Space Ghost: Coast to Coast episode "Cahill" (1998) with Ben Karlin. He appeared on 29 episodes of the NBC series Just Shoot Me! (1999–2003). He played the voice of Jim in Mission Hill on the WB (1999–2002), and Del Swanson in 3 South