Yes it is. Meso’s is pretty old. Old enough for this to be his second Brickfête (not sure if he’s gonna be able to make it next year though). As for @Political_Slime’s MOC, I’ll try to upload decent pics of him once I come up with a more accurate head design.
How about making a road trip? Alternatively, there’s probably a LUG near you, which is the next best to conventions once you turn 18.