"I'm Calem, and this is <player>. We're researching Mega Evolution.
Do you know anything about it?"
Calem is the male protagonist from the X and Y games.
His home at the start of the game is Vaniville Town.
His female counterpart is Serena.He is a tall thin boy,
his parents are all experienced Pokemon Trainers.
No wonder that he cares greatly about all Pokemon,
and asists the player in battling Team Flare on several occasions.