Sen. John Kennedy (R-LA) is proving to be an unassuming yet prolific campaign asset for Republicans as he crisscrosses the country to fundraise and boost morale for Senate candidates in competitive races.

The 74-year-old folksy conservative’s unfiltered one-liners to reporters, during congressional hearings, in frequent media appearances, or even to his own colleagues, as well as his growing presence on TikTok with 855,000 followers, make him a popular surrogate for those on the ballot courting votes and dollars from the party’s base.