I make fun of gym culture, I also make fun of sports, and even of hunting. People take things to seriously and it is funny. I make fun of myself yo, because I'm inclined to do the same.
When I brought a tub of protein and a shaker bottle in to leave innthe office I mocked myself for a week and I still feel like it is something to be made fun off. I also make fun of the desk treadmill I have, it serves as a good reminder that I'm just an office rat.
As someone who chronically took myself too seriously, best advice I was ever given was "Never take yourself seriously, always take what you do seriously."
Mockery, particularly self mockery, is a tool, a valuable one.