Mike Rowe

The host of Discovery Channel's "Dirty Jobs with Mike Rowe" (2003- ), Rowe tried his hand at testing shark repellent, castrating sheep, cleaning septic tanks, wading through or handling nearly every kind of fecal matter and likely vomiting on-air more than any other television host. A former opera singer, he cut his teeth in television by hawking products for QVC, and later leveraging his mellifluous baritone voice into commercial and …