Now, whatever you do, it's important to take pride in your job. But there's a point when confidence in your achievements goes a little too far...
Take Glentoran (that's a semi-professional Northern Ireland team by the way) striker Leon Knight who, despite a rocky career is still a die-hard Leon Knight fan.
Check out this increasingly bizarre video of him narrating his more recent goals. Trust us, you're not quite going to believe this.
(Image: YouTube)