Not really because being a simp means being infatuated with someone when they clearly don’t like you back or care. Light fury shares his feelings so really they just had a crush on each other.
me:snothat being a simper He simps Astrid,tuffnut,heather, SNOTHAT WHYYYY CANT U LEAVE ASTRID AND HEATHER AND RUFFNUT ALONEEEE XHDNJSXNSKSUDNWJGDD hiccup:*takes Astrid* Snothat:*jelouse* *goes to heather* Fishlegs:* takes heather* Snothat:*trying to take ruffnut* Ruffnut:*don't like him back instead HE LIKES FISHFACE realeas his taken*