FBI's servers, only to be thwarted by Spider-Man. He later becomes a gang boss and competes against Tombstone and Silvermane for control of New York's criminal underworld until all three are defeated by Spider-Man. Otto Octavius / Doctor Octopus appears in Ultimate Spider-Man, voiced by Tom Kenny. This version was originally an Oscorp scientist until a lab accident left him paralyzed and entirely dependent on four mechanical tentacles built by Norman Osborn. Throughout season one, Octavius primarily operates from the shadows, employing supervillains to capture Spider-Man for his DNA on Norman's behalf; with one of his experiments with Spider-Man's DNA leading to the Venom symbiote's creation. Octavius eventually betrays Norman by forcibly turning him into the Green Goblin and escapes after his underwater lab is destroyed. In season two, Octavius forms the Sinister Six in an attempt to eliminate Spider-Man, only to be defeated. After making minor appearances in season three, Octavius returns in season four having allied himself with HYDRA and Arnim Zola to form a new iteration of the Sinister Six and create the synthezoid Scarlet Spider to serve as a spy within Spider-Man's team. While leading an attack on the Triskelion, Octavius discovers Spider-Man's secret identity, but is betrayed by Scarlet Spider, who foils his plan. Octavius later reclaims his nanotech and gives himself a younger body before reforming the Sinister Six once more and taking Spider-Man's friends and allies hostage in the two-part series finale "Graduation Day". However, Spider-Man defeats the Sinister Six once more and persuades Octavius to surrender. Two alternate reality versions of Octavius, a medieval variant called the Alchemist and a Wild West outlaw called Doc Ock Holliday, appear in the episodes "The Spider-Verse" Pt. 3 and "Return to the Spider-Verse" Pt. 2, respectively, both also voiced by Kenny. Doctor Octopus appears in the Hulk and the Agents of S.M.A.S.H. episode "The Venom Inside", voiced again by Tom Kenny. Doctor Octopus appears in Lego Marvel Super Heroes: Maximum Overload, voiced once more by Tom Kenny. Doctor Octopus appears in Marvel Disk Wars: The Avengers, voiced by Dai Matsumoto. Otto Octavius / Doctor Octopus appears in Spider-Man, voiced by Scott Menville. This version is an arrogant but brilliant 19-year-old prodigy. Growing up, he was picked on by a jock and abused by his father Torbert (voiced by Charlie Adler). Introduced in season one, Octavius works as a professor at Horizon High until his tentacle