Rhino (Aleksei Sytsevich) is a fictional character appearing in American comic books published by Marvel Comics. He first appeared in The Amazing Spider-Man #41

The character is a Russian thug who underwent an experimental procedure that gave him an artificial skin covering and superhuman strength. Rebelling against the scientists responsible for his transformation, Rhino used his newfound powers to become a successful criminal, and soon clashed with superheroes like Spider-Man and the Hulk. The character is typically portrayed as a dimwitted brute, capable of great destruction, but ultimately easily deceived.