In a 'chasing candyman fanfic', it could be that the chase is a form of self - discovery. The character chasing the Candyman might be on a journey to find themselves. They could be facing their own fears and desires through this pursuit. For example, they might be trying to overcome their fear of the unknown, which the Candyman symbolizes, and in the process, they learn more about their own strength and weaknesses.
In candyman fanfic, a common concept is the idea of breaking the curse. There could be fanfics where a character discovers a way to end the Candyman's cycle of vengeance. This often involves delving into the lore and finding some sort of loophole or powerful object. It can make for an exciting read as the characters try to outwit the Candyman and his powers.
I'm not sure if there are extremely popular 'chasing candyman fanfic' stories specifically. However, in the broader fanfic community, there could be some interesting ones. It depends on how big the fan base for the Candyman is among fanfic writers and readers.
Obviously, the Candyman himself is a main character. He is the central figure around which most of the stories revolve. His menacing presence and the mystery surrounding him are what draw readers in.