With today being the scariest of all the days of the year, Manchester United have posted a first XI of players from the past and present with spooky twists to their name.
Among those in the side are Nicky Butt - who becomes Nicky Bat, Andy Cole who becomes Andy Cole-Dron and Robin van Persie who becomes Robin Vampire-Sie. How Roy Keane will react to having his name warped into Roy Pumpkeane remains to be seen.
Check out the full team below...
Rivals Manchester City have also joined in, with Aleksandar Kolarov delivering a spooky message to fans.
City have also been playing a game of "Guess the Ghost" - can you work out who it is?
Meanwhile, Arsenal players Kieran Gibbs, Tomas Rosicky, Nacho Monreal and David Ospina have been dressing up.
Happy Halloween! See what happened when a host of first-team players dressed up for the occasion - http://t.co/g0qOHVNBX8— Arsenal FC (@Arsenal) October 31, 2014
Elsewhere in north London, Kyle Walker of Tottenham dressed up in a Halloween mask.
Everton have been asking their fans for spooky name suggestions for an Everton Halloween XI. Among those put forward include Dixie Demon, Barry Horneted House and Devil Southall.Reuse content