FourthRhyme is a rather recent creator, with his first character being released in early 2016, although he was working on it since late 2015. Along with M.U.G.E.N, FourthRhyme posts videos of NES bootleg games, as well as updates on his creations, to his YouTube channel and hosts his creations through Google Drive.
- Chipper's Revenge
- Sans...? (2 versions)
- Plague Knight
- Rotten Knight
- Not Asriel
- Egghead Alphys
- 'Merica Mangle
- Time Warp Tickers
- ↑ M.U.G.E.N. Minis: Impfinity Cloning Effect
- ↑ M.U.G.E.N. Undertale: Asriel Teaser
- ↑ M.U.G.E.N. PvZ: Browncoat Zombie Teaser
- ↑ M.U.G.E.N. Bubsy Bobcat: Teaser
- ↑ M.U.G.E.N. Undertale: Muffet Collaboration!