Brock squints his eyes because he and his entire family (excluding his mother) have poor eyesight. That explains why Pike Queen Lucy had a crush on him.
Im guessing they liked brocks eyes seems to be always closed (thats how he's drawn)
I've always wondered why but when he hears a pretty girl (Nurse Joy for example) talking about something that he finds romantic then he just might open his eyes. I saw it happen once and they actually look quite creepy...
Brock's gym is in Pewter City.
the vulpix got into a lesbian relationship with misty.
Venonat i think