X / Omega Ruby: It does its best to be taken seriously by its enemies, but its glare is not sufficiently intimidating. Chewing on a leaf is its trademark.
Y / Alpha Sapphire: It does its level best to glare and pull a scary face, but it can’t help grinning if anyone pats its head.
Sun: It grows up imitating the behavior of Pangoro, which it looks up to as a leader.
Moon: There’s no point to the leaf in its mouth, aside from an effort to look cool. It’s mischievous, so it’s not well suited to inexperienced Trainers.
Ultra Sun: It follows Pangoro around like a henchman. When Pancham makes a big mistake, its leaf gets taken away.
Ultra Moon: It’s desperate to intimidate its opponents. Be nice and pretend to be scared if you catch it glaring at you intensely.
Sword: It chooses a Pangoro as its master and then imitates its master’s actions. This is how it learns to battle and hunt for prey.
Shield: Wanting to make sure it’s taken seriously, Pancham’s always giving others a glare. But if it’s not focusing, it ends up smiling.