Classic G.I. Joe on Twitter: "Genetically Enhanced Bio-Beast. Code Name: MONSTRO-VIPER. First appeared on toy store shelves in 1993. https://t.co/7ZDwfFs3P8" / Twitter
1992 Hasbro GI Joe Mega Monsters #7 Bio-Viper (459B)
JoeCustoms.com > Group Projects > SPIRITS vs CORPSE > Bio-Viper Omega
Action figure G.I Joe vintage BIO-VIPER in Jouets collector
1993 GI Joe Cyber-Viper (Mega Marines) Review – The Dragon Fortress