Wait a minute, you can't run fast. Undertale is a role-playing story game, which is unofficially translated as Undertale in Chinese. Published by TobyFox on Steam on September 20 15. The main characters in the game are frisk, Torre, Sans, papyrus and so on. Gast is saying, wait a minute, you can't run fast. Radagast is a character in The Lord of the Rings, an epic fantasy novel by British writer J.R.R Tolkien, and one of the most famous maias.