I think just Dusk and Champion unless I am horribly mistaken...

Dusk is superfond of Champion! Like, if Valiant is the younger brother and Ferris is his twin sister, then Champion is his cousin of the same age that is like a brother... if that makes sense... They're not particularly close, since Tiger's Eye closest people are all on other teams anyway I think, but they do get along really well and Dusk does appreciate having another steady-minded person on the team, so he's really pleased to have Champion there with them. Loooots of trust and respect for Champion right now.

Reverse!