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 some posters around 24/7, they sell a pack of two razors for $18.
- Excelsior could be named after a place with the same name in the Netherlands.