>>50233665Red/Leaf: 11, RBY manual
Ethan/Lyra: 11-14, constant comparisons to Red in-game
Brendan/May: 12, ORAS news report
Lucas/Dawn: presumably in the 11-14 range
Hilbert/Hilda: 14, but originally conceptualized as 16
Nate/Rosa: 14-16, constant comparisons to Hilbert/Hilda in-game
Calem/Serena: presumably 17, Looker says they're too old to be his assistant and his current one is 16
Elio/Selene: 11, explicitly stated in-game
Chase/Elaine: unknown, presumably no older than 11 since Red and Blue are presented as mentor-like characters
Victor/Gloria: presumably in the 11-17 range
Rei/Akari: "around 15 or so", explicitly stated in-game
