Japanese comedian Pikotaro has released a fun new video, this time geared toward self-isolating netizens in need of some exercise."Hoppin' Flappin'" follows the viral star's recent self-cover of "PPAP (Pen-Pineapple-Apple-Pen)" with new lyrics encouraging kids to wash their hands, viewed over 9.5 million times since its release in early April."Many of you could probably use some exercise because you've been staying indoors," Pikotaro said.