Whew! This is gonna be interesting...I imagine you're gonna get answers form all across the board...local, regional, national, and international BBQ Legends...but...what the hey...here are a few of mine. In no order of priority...
Ray Lampe...aka Dr. BBQ
Adam Perry Lang
Cheryl & Bill Jamison
These are off the top of my head and based on how they have influenced me and the way I do BBQ...some are historic legends...some are local legends...some are cutting edge...some are making influences as I type...