Anfield Cat, as it's now become known, has taken the internet by storm with its popularity for running across the pitch during the Liverpool-Tottenham Premier League encounter.
So to keep with the hype, we thought to look for more of these furry invaders and what other animals have been made famous for their free-roaming antics. Do enjoy.
Page 8 = That's a pretty huge dog to come sneaking in.
Page 4 = Guess he imagined the grass to be a little taller than that.
Page 7 = Got to be the best seat in the house.
Page 3 = I GIVE UP!
Muna Noor = That you could spot that!
On slide 14 I think the squirrel is running away from that giant furry squirrel penis that is poking out of the Playstation ad. Argh!!.....