▁in ▁The ▁Land ▁Before ▁Time ▁XII : ▁The ▁Great ▁Day ▁of ▁the ▁Fly ers . ▁ ▁Rh ett ▁Rh ett ▁( vo iced ▁by ▁Elizabeth ▁Daily ) ▁is ▁a ▁new ▁friend ▁of ▁Little foot ' s ▁friend ▁Ali , ▁who ▁is ▁introduced ▁in ▁the ▁TV ▁series ▁episode ▁" The ▁Bra ve ▁Long ne ck ▁Sch eme ." ▁He ▁has ▁an ▁ar rog ant ▁person ality ▁and ▁tries ▁to ▁pass ▁himself ▁off ▁as ▁a ▁hero . ▁ ▁Al lies ▁ ▁The ▁T in ys aur uses ▁The ▁T in ys aur uses ▁are ▁an ▁under ground ▁col ony ▁who ▁appear ▁in ▁The ▁Land ▁Before ▁Time ▁XI : ▁In vas ion ▁of ▁the ▁T in ys aur uses . ▁Their ▁leader ▁is ▁old ▁and ▁c ran ky ▁with ▁a ▁huge ▁voice , ▁named ▁Big ▁D addy ▁( vo iced ▁by ▁Michael ▁Clar ke ▁Dun can ) ▁along ▁with ▁his ▁daughter ▁L iz zie ▁( vo iced ▁by ▁C ree ▁Summer ). ▁Other ▁individuals ▁include ▁Sk itter ▁( vo iced ▁by ▁Le igh ▁Kelly ), ▁D ust y ▁( vo iced ▁by ▁Ash ley ▁Rose ▁Or r ), ▁and ▁Rock y ▁( vo iced ▁by ▁N ika ▁F utter man ). ▁ ▁The ▁T in ys aur uses ▁make ▁a ▁brief ▁appearance ▁in ▁The ▁Land ▁Before ▁Time ▁XII : ▁The ▁Great ▁Day ▁of ▁the ▁Fly ers , ▁and ▁later ▁are ▁mentioned ▁in ▁the ▁TV ▁episode ▁" Str anger ▁From ▁the ▁Myst er ious ▁A bove ." ▁ ▁K osh ▁K osh , ▁vo iced ▁by ▁Rob