Oh that's not Kid :) i call "Kid" Jerry, and Thomas doesn't currently know him at all. Thomas actually doesn't really know anyone, their parents are busy people and they can only rely on their two best friends, who always make them quite the happy fella!
Narratively obsessed with Cole, the one who was introduced as the outcast in his family and not accepted by his dad without hiding who he is, finding his new family in the land of forgotten things and making sure they are all loved and accepted without question. Like this is just truly satisfying narrative completion for him. I love the man he's grown into. His mom would be so proud.