Answer: they’ve all been the subject of pithy banners displayed by the Celtic supporters over the last 30 years.
Do an image search for “Celtic fans banner” and hundreds of results come back although it’s fair to say that most messages have been aimed at the board.
From the “don’t sleep at wheel” warning in August 2019 to the “back the team, sack the board” protests during the 1993/94 season, we’ve picked out 15 times the Hoops support directed their ire at the club hierarchy.
13. ...or back to mediocrity
Celtic fans send a message to the board at a Betfred Cup clash against Partick Thistle in August 2018 Photo: SNS Group Craig Foy
14. Don't sleep at wheel
Plenty of driving references as fans warned the board not to fall asleep at the wheel during a Europa League match between Celtic and AIK in August 2019 Photo: SNS Group Rob Casey