After vampires, zombies, aliens, killers and werewolves, which monster should be next in the spotlight?

Are we really destined to extremely limited cyclical exposure to horror with only vampires, werewolves, aliens, zombies and vicious killers in the lead?

Aren’t there any other monsters that might join the pantheon of highly profitable gruesome pack-? Did the leprechaun got a raw deal with a low budget or he actually sucks-?