Roto Rooter makes me think more of Ghost Hunters than anything. The two head guys, Jason and Grant, work for them as their day job.

"You need me. You wouldn't be much of a hero without a villain. And you do love being the hero, don't you. The cheering children, the swooning women, you love it so much, it's made you my most reliable accomplice." -- Lex Luthor to Superman, Question Authority, Justice League Unlimited