Rattler (Gustav Krueger) is a fictional character appearing in American comic books published by Marvel Comics. He first appeared in Captain America #310 (October 1985), created by writer Mark Gruenwald and artist Paul Neary. The name Rattler was also used by two Marvel comics characters from the Wild West era, both enemies of the Rawhide Kid. A fourth Rattler appeared in the Spider-Man newspaper comic strip, who gained power by being bitten by a snake and then treated with an experimental anti-venom. Krueger, as Rattler, was given a long bionic tail that emits sonic shockwaves to mimic his reptile namesake. He first showed up as part of the Serpent Society, a team of snake-themed villains for hire. During their first mission they were opposed by Captain America who would have several run-ins with the Serpent Society. Rattler was one of the Society Members who sided with Viper when she took over the Serpent Society, but remained with the group after she was deposed. At one point he was part of the Thunderbolts, but returned to the Serpent Society. He remained a member when the Society was reorganized into Serpent Solutions. Publication history Rattler first appeared in Captain America #310 (October 1985), created by writer Mark Gruenwald and artist Paul Neary. Fictional character biography Hailing from Germany, Rattler was given a bionic tail which he uses to create shockwaves and vibrations. This proved very useful in his first confrontation with Captain America, during the Rattler's initiation into the Serpent Society. He and his fellow Serpents Cobra and Anaconda were ambushed by the hero, but Rattler was able to use his tail to stop Captain America's shield from doing any damage. With the other Serpent Society members, he was hired by A.I.M. to hunt down MODOK. He later battled Captain America again after being tricked by the Porcupine, along with Diamondback, Death Adder, and Cottonmouth. During the ensuing fight with Captain America, Rattler used his bionic tail to send vibrations coursing through the hero's body, disorienting him. However, he was eventually thrown into a pillar by his tail, knocking him out for the battle. Rattler, Cottonmouth, and Death Adder were sent to jail, but freed from jail by Sidewinder. Alongside Cottonmouth, Rattler confronted Kingpin's men over the Death Adder's murder. The Rattler joined Viper during her invasion of the Serpent Society, and battled the Falcon. He subsequently followed Cobra's instructions when he