Adrian "Bull" Muhlenkamp, 81, of Celina, Ohio passed away peacefully on Sunday, March 27, 2022 at the Mercer County Community Hospital in Coldwater. He was born on August 31, 1940 to the late Odelia (VonderHaar) and Herman Muhlenkamp in Celina, Ohio. Adrian was preceded in death by his parents and his brother Luke Muhlenkamp. Adrian graduated from Coldwater High School in 1958. He worked at New Idea, previously owned Bull's Pub in St. Anthony and Bull's Pub in Coldwater, he retired from Versa Pak in Celina. He found solitude and much enjoyment living near Grand Lake. He is survived by his sisters and brothers-in-laws, Charlene (Bob) Heitkamp of Cassella, Janice (Bob) Kramer of Celina, Mary (Tim) Barman of Ft. Recovery, Arline (Bill) Sacher of Celina, Jane (John) Miller of Tucson, Arizona. Many nieces, nephews and great nieces and nephews. Private family services will be held at a later date. Adrian arrangements have been entrusted to the Lehman-Dzendzel Funeral Home in Celina. Condolences may be shared with the Muhlenkamp Family on-line at LehmanDzendzelFH.com.