Ron Sexton created the character of Donnie Baker for radio's nationally syndicated "Bob & Tom Show" about five years ago, thinking it would last for a couple of phone calls.

Hoffsetz said show co-founder Tom Griswold helped Sexton tweak the Donnie character—perennially in search for a buyer of his boat—into a winner. Kevoian, who retired in 2015, embraced Donnie ...

Donnie Baker’s career has been meteoric. From the occasional phone call into the Bob & Tom Show in a futile attempt to sell his boat two years ago, to today, where throngs of rabid fans wearing ...