Ren'Py seems to hate naming a character "random"
Full traceback:
File "game/ep3htv-1.rpy", line 500, in script
random "I got you brat!!"
File "F:\Downloads\Games\HerotoVillainRemasteredBetaVersion-0.4.2-pc\renpy\ast.py", line 898, in execute
raise Exception("Sayer %s is not a function or string." % self.who.encode("utf-8"))
Exception: Sayer b'random' is not a function or string.
Swapped 'random "' with 'rndnpc "' and changed the random character. Try avoiding key words for characters.