Of course we now have these two gems on the Billboard charts:

Gnarls Barkley
and
BuckCherry

Then there's the women's folk group The Wailin' Jennies

Not to mention Pearl Django


Back closer to the initial theme, here are a few more illustrious Mudcatters:

The Teflon Don Firth Of Forth
Tom & Jerry Rasmussen
Dick Greenhaus Gases
Susan B. Anthony Armstrong Jones
Moby Dick Greenhaus
All Hands On Deckman
Stilly River Sage, Rosemary & Thyme
and
Micca Mantle (or Mouse)