* Stripey: Due to their distinctive stripes.
* Big Cat: A general term for large feline species.
* The King of the Jungle: This title is often given to lions, but sometimes applied to tigers as well.
* Predator: A common term used to describe any animal that hunts other animals.
It's also possible that specific tigers in zoos or wildlife sanctuaries might have nicknames given to them by their caretakers.