Grumpy Old Geeks Products Mr. Pete Product Mr. Pete 2 mentions in 1 episode A SodaStream flavor that a host tried as a substitute for Dr. Pepper. Mentions 246: Ground Control to Grumpy Tom Feb 12, 2018 44:40 I got their Mr. Pete 44:57 Mr. Pete is supposed to be a knockoff and it tastes absolutely nothing like Dr. Pepper