Not really too much of a “romantic shipper” to be fair definitely just prefer friendships I was gonna jokingly say Stan, Kyle, Cartman and Kenny from South Park the best platonic friend group pairing ever haha But to go by a specific pairing of two characters I’d say toothless and meatlug seem to have a nice friendship that I wish we got to see more of. Hiccup and Fishlegs as well are a fun duo. Rider like dragon!