Trivia:
► At his height from 2002–2005, Mangini was notorious for setting five World's Fastest Drummer records. These include the Fastest Matched Grip at 1,247 single strokes in 60 seconds in 2005, Fastest Barehands, which he earned by executing 1,138 single stroke notes in 60 seconds in 2002, until Glen Caruba broke it with 1,140 notes in 2006. Fastest Traditional Grip which he earned by executing 1,126 single strokes in 60 seconds in 2003, a record that stood for five years before falling to Matt Smith (1,132) in 2008, and Fastest Single Stroke Foot record playing 13,222 hits in 15 minutes and 4,555 hits in five minutes; records that stood for two years before falling to Mike "Machine" Mallais (13,309/4,595) in 2007.
► Mangini has written two books about his drumming techniques. These books, titled Rhythm Knowledge, are a practice method for deconstructing and simplifying complex polyrhythms and time signatures.
► Mangini appeared on the Discovery Channel show Time Warp, displaying his drum skills for high speed cameras.