I wanna runOK, let's start the auditions.First person, please.Entry number one is Pronghorn-sama!Yo!Her special skill is racing!!These guys are definitely your fans, Pronghorn-sama!I wanna runIbusukiCould you please leave?I reckon that the 'Pu' in PPP probably means the 'Pu' in Pronghorn-sama.
PPP is pronounced ぺぱぷ, or PePaPu