▁is ▁rather ▁clear . ▁Though ▁unlike ▁the ▁W oggle - B ug , ▁F rog man ▁is ▁not ▁thoroughly ▁educated ▁and ▁is ▁much ▁more ▁interested ▁in ▁d andy ▁fashion . ▁He ▁accident ally ▁bath es ▁in ▁the ▁Tr uth ▁P ond ▁and ▁is ▁there after ▁mag ically ▁comp elled ▁to ▁speak ▁only ▁the ▁truth . ▁ ▁In ▁The ▁Magic ▁of ▁O z , ▁F rog man ▁is ▁among ▁the ▁guests ▁at ▁Princess ▁O z ma ' s ▁birth day ▁party . ▁ ▁In ▁ 1 9 8 6 , ▁March ▁La umer ▁made ▁him , ▁with ▁the ▁proper ▁name ▁Frederick ▁Fra uk x , ▁the ▁title ▁character ▁of ▁The ▁F rog man ▁of ▁O z : ▁The ▁O z ▁Book ▁for ▁ 1 9 4 7 , ▁along ▁with ▁a ▁U . S . ▁Navy ▁f rog man . ▁The ▁F rog man ▁is ▁a ▁cru cial ▁character ▁in ▁Jeff ▁Fre ed man ' s ▁ 1 9 9 4 ▁novel ▁The ▁Magic ▁D ish pan ▁of ▁O z . ▁ ▁The ▁F rog man ▁appears ▁in ▁Return ▁to ▁O z . ▁He ▁is ▁seen ▁in ▁the ▁background ▁at ▁the ▁coron ation ▁of ▁Princess ▁O z ma . ▁ ▁Jack ▁P ump kin head ▁ ▁Jack ▁P ump kin head ▁first ▁appears ▁in ▁the ▁second ▁O z ▁book ▁The ▁Marvel ous ▁Land ▁of ▁O z ▁( 1 9 0 4 ). ▁When ▁M omb i ▁anim ates ▁a ▁stick ▁figure ▁with ▁a ▁p ump kin ▁for ▁a ▁head ▁using ▁the ▁magic ▁pot ion