It's fair to say there is never and will never be any love lost between Arsenal and Tottenham fans, with each side constantly trying to one-up each other.
On the pitch despite Tottenham's recent challenges to the top four, it has been Arsenal coming out on top when the league seasons come to a close, and they are quick to let their rivals know it.
Over the past 24 hours the ever-bitter rivalry has shown no signs of taking a summer off, with a picture doing the rounds on social media which will enrage Spurs fans and delight Arsenal fans.
It shows a 'visitor' to the Tottenham dressing room, potentially on a club tour, wiping his backside with Gareth Bale's shirt which had been hung up with all the others.
Whether he is in fact an Arsenal fan, or even a Chelsea or West Ham fan is unclear, but it is supporters of the Gunners who have been posting the photo up and lauding the man's 'achievement'.
Check it out below...
Do you know the prankster?