▁wanted ▁to ▁take ▁them ▁in ▁just ▁in ▁case ▁Tony ▁Zu cco ▁target ed ▁them ▁as ▁well . ▁ ▁The ▁Gray son ' s ▁death s ▁appear ▁briefly ▁in ▁a ▁flash back ▁in ▁the ▁Te en ▁Tit ans ▁episode ▁" Ha unted ." ▁ ▁The ▁F lying ▁Gray s ons ▁appears ▁appears ▁in ▁The ▁Bat man ▁episode ▁" A ▁M atter ▁of ▁Family " ▁with ▁John ▁Gray son ▁vo iced ▁by ▁Kevin ▁Con roy ▁and ▁Mary ▁Gray son ▁vo iced ▁by ▁Grey ▁De L is le . ▁In ▁this ▁show , ▁John ▁also ▁doubles ▁as ▁the ▁manager ▁of ▁Hal y ' s ▁Circ us . ▁The ▁family ▁was ▁confront ed ▁by ▁Tony ▁Zu cco ▁and ▁his ▁brothers ▁who ▁wanted ▁them ▁to ▁pay ▁protection ▁money ▁which ▁also ▁resulted ▁in ▁Bat man ▁showing ▁up . ▁Tony ▁Zu cco ▁v owed ▁reven ge ▁and ▁secret ly ▁removed ▁the ▁n uts ▁from ▁the ▁tra pe ze . ▁Before ▁Dick ▁Gray son ▁can ▁join ▁in ▁on ▁the ▁tra pe ze ▁act ▁during ▁the ▁circ us ▁event , ▁Mary ▁noticed ▁something ▁was ▁wrong ▁as ▁the ▁tra pe ze ▁as ▁it ▁comes ▁apart . ▁Mary ' s ▁final ▁words ▁as ▁she ▁and ▁John ▁fell ▁was ▁" D ick ." ▁When ▁Dick ▁Gray son ▁became ▁Robin , ▁he ▁res cu ed ▁Bat man ▁from ▁Tony ▁Zu cco ' s ▁trap ▁and ▁helped ▁to ▁bring ▁him ▁to ▁justice . ▁ ▁A ▁poster ▁of ▁the ▁F lying ▁Gray s ons ▁appears ▁in ▁the ▁Young ▁Justice ▁episode ▁" Per formance ". ▁ ▁John ▁and ▁Mary