2023 Hearts & Harleys Week Trivia Question #3

So far, the questions this year have been pretty easy, so now it's time for a more challenging question. This individual has created or assisted in the creation/development of many of the designs for the Hearts & Harleys t-shirts, including the 5 year Poker Run Anniversary t-shirts, and last year's Poker Run T-shirts. Joking referred to as the H&H "Art Department," what is the name of this individual? Bonus question, what is the nickname he is referred to as?