Sirron Norris is an American illustrator, muralist, and arts educator. He is known for his work on the FOX animated television show Bob's Burgers and for numerous cartoon-style public murals, including ones at Balmy Alley, Clarion Alley, and Mission Dolores Park, and galleries around San Francisco. His murals often include political messages, local themes, and his signature blue bear. He has worked with several local non-profits, including SPUR and El Tecolote. Norris' studio and gallery is based in the Mission District, San Francisco.