▁early ▁ 1 9 9 0 s , ▁but ▁later ▁returned ▁to ▁their ▁original ▁el f - like ▁form . ▁Like wise , ▁there ▁was ▁briefly ▁a ▁fourth ▁g nome ▁in ▁the ▁ 1 9 5 0 s ▁named ▁Pow ▁who ▁represented ▁the ▁claimed ▁explos ive ▁nut r itional ▁value ▁of ▁R ice ▁K ris p ies . ▁Leo ▁Burn ett ▁World wide ▁assigned ▁Chicago - based ▁cart oon ist ▁Don ▁Marg olis ▁to ▁do ▁S nap , ▁Cra ck le ▁and ▁Pop ▁for ▁the ▁R ice ▁K ris p ies ▁boxes ▁as ▁well ▁as ▁other ▁applications . ▁David son ▁Mark eting ▁also ▁used ▁him ▁for ▁their ▁R ice ▁K ris p ies ▁assign ments . ▁Don ▁did ▁the ▁three ▁g nom es ▁until ▁the ▁end ▁of ▁ 1 9 9 8 . ▁ ▁Physics ▁ ▁In ▁physics , ▁the ▁terms ▁snap , ▁crack le ▁and ▁pop ▁are ▁sometimes ▁used ▁to ▁describe ▁the ▁fourth , ▁fifth ▁and ▁sixth ▁time ▁derivatives ▁of ▁position . ▁The ▁first ▁derivative ▁of ▁position ▁with ▁respect ▁to ▁time ▁is ▁velocity , ▁the ▁second ▁is ▁acceleration , ▁and ▁the ▁third ▁is ▁j erk . ▁ ▁References ▁ ▁External ▁links ▁ ▁Kel log g ' s ▁ ▁Category : K el log g ' s ▁characters ▁Category : F ict ional ▁el ves ▁Category : T rios ▁Category : Cart oon ▁mas c ots ▁Category : M asc ots ▁introduced ▁in ▁ 1 9 3 3 <0x0A> </s> ▁Ny uk h cha ▁() ▁is ▁a ▁rural ▁local ity ▁( a ▁village