Lol, have you ever watched the TV show The Middle? There is a character who is a little boy and he is on the spectrum ( but high functioning), but it’s never stated if he has autism. Anyway, he’s absolutely obsessed with fonts and sounds very much like your son. It’s a cute show which was very popular several years ago. Check it out if you haven’t seen it.

I have! His name is Brick and yes, my son is very similar, except he doesn't really talk anything else besides font lol.

This is the Andes font :)

My son is 7 and also obsessed with logos. He colors 20th century fox on everything. Recently he asked me for A 3D printer so he can make his own logos. that being hollywood studios, mgm, thx, pixar, and more. At school they use 20th century fox laminated papers to help him transition between class. I never realized that it was a common thing for kids on the spectrum until recently.

Omg, I'm a bit of a font nerd! My favorite font of all time is Andes, the font used in Sonic 3 & Knuckles 😊 I always used Comic Sans in school, and I prefer sans fonts over serif fonts by far. SamsungOne is a very nice font, too!