Many drummers have cited Pennie as an influence or expressed admiration for his work, including Brann Dailor, Richard Christy of Death, Peter Wildoer, Dave Witte, Tyshawn Sorey, Charlie Zeleny, Dan Searle of Architects, Andy Dalton of See You Next Tuesday, J. R. Conners of Cave In, Craig Reynolds of Stray from the Path, Jean-François Richard of Ion Dissonance, Andrew McEnaney of Structures, Tobias Persson of Visceral Bleeding, Stephen Carr of Exotic Animal Petting Zoo, Stefano Ghigliano of Stigma, Danny Grossarth of Candiria, Eric Schnee of Paria, Darren Pugh of Collibus, Eli Litwin of John Frum, Chris Golding of Sulaco and Corey Melom of The Crinn.