Whoops! is affiliated with Oops! which is affiliated with Britney Spears. Whoops! is also affiliated with her brother, who's callin' out her name, whoooahaoahoahaoa.
It is important to note that Whoops! is not Stumbles. Oops! may or may not be affiliated with Oopsy!, who is rather different in that he is male, and he is not one of the so-called 'shaped human' species.