Excelsior is a razor brand advertised in Grand Theft Auto IV on Weazel, the radio, and around Liberty City. The ads parody Gillette. Excelsior manufactures the Extreme 9, a nine-bladed razor. According to posters around 24/7 in Grand Theft Auto V, they sell a pack of two Excelsior razors for $18.
- Excelsior could be named after a place with the same name in the Netherlands.