: ▁The ▁Great ▁Day ▁of ▁the ▁Fly ers . ▁ ▁Gu ido ▁Gu ido , ▁vo iced ▁by ▁Rob ▁Paul sen , ▁is ▁a ▁te al ▁din osa ur ▁who ▁first ▁appears ▁in ▁The ▁Land ▁Before ▁Time ▁XII : ▁The ▁Great ▁Day ▁of ▁the ▁Fly ers . ▁He ▁is ▁convinced ▁that ▁he ' s ▁the ▁only ▁one ▁of ▁his ▁kind , ▁having ▁never ▁seen ▁another ▁of ▁his ▁kind ▁before . ▁His ▁orig ins ▁are ▁unknown , ▁as ▁he ▁apparently ▁has ▁no ▁idea ▁what ▁he ▁is ▁or ▁where ▁he ▁came ▁from . ▁Though ▁he ▁tries ▁to ▁fly , ▁he ▁can ▁only ▁gli de ▁for ▁a ▁brief ▁period ▁of ▁time . ▁He ▁re app ears ▁in ▁the ▁TV ▁episode ▁" The ▁Herm it ▁of ▁Black ▁Rock ", ▁in ▁which ▁he ▁and ▁Pet rie ▁meet ▁an ▁old ▁blind ▁pur ple ▁Har p act ogn ath us ▁named ▁S wo oper ▁( vo iced ▁by ▁Jess ▁H arn ell ), ▁and ▁lear ns ▁to ▁fly ▁properly . ▁He ▁often ▁appears ▁ne uro t ic ▁or ▁pan icky ▁at ▁times , ▁and ▁easily ▁confused . ▁ ▁Short y ▁Short y , ▁vo iced ▁by ▁Br andon ▁Michael ▁De Paul ▁( X ) ▁and ▁Elizabeth ▁Daily ▁( TV ▁series ) ▁is ▁a ▁young ▁dark ▁green ▁din osa ur ▁who ▁first ▁appears ▁in ▁The ▁Land ▁Before ▁Time ▁X : ▁The ▁Great ▁Long ne ck ▁M igration . ▁When ▁Bron ▁found ▁Short y , ▁he ▁was ▁def ending ▁a ▁group ▁of ▁much ▁younger ▁din osa urs . ▁Short y ▁bul lies