Rocko's Modern Life was a Nickelodeon animated series that ran from 1993 to 1996, following the anxious wallaby Rocko, voiced by Carlos Alazraqui. The 'hup hup hup' chant mirrors an old marching or exercise cadence, the kind of three-beat call used to keep people moving in step. Online, short Rocko clips circulate as reaction audio because his stressed, earnest voice makes ordinary effort feel funny. Editors now drop this chant over workout fails, sports warmups and mock-serious training montages to signal forced enthusiasm before an obviously doomed attempt.