Answer
Markwayne Mullin succeeded Jim Inhofe to the Senate seat. Inhofe was the Republican Senator for Oklahoma from 1994 to 2023. He was first elected to the Senate in 1994 and was re-elected in 2000, 2006, 2012, and 2018. Inhofe announced in January 2022 that he would not seek re-election in 2022. Mullin was elected to the Senate in 2022 to replace Inhofe.