The controversial attraction has sparked a row on Thorpe Park's Facebook page, with one user posting:
I have psychosis, I'm not dangerous, and have never run after someone with a chainsaw.
Stuff like this genuinely contributes to an atmosphere in which people with mental illness suffer discrimination and violence.
More top news
A 24-year-old man has been arrested on suspicion of murder after the body washed up on the Thames shoreline.
Seven people have now been arrested after a man died from serious head injuries
The 38-year-old officer was on his way home from a night shift when he collapsed. His death is not being treated as suspicious.