Mawile

Mawile was the main protagonist in the second GMod series when Jolteon's ghost attacked. She is 17 years old.

Froslass's Adventure
Mawile was at Darkrai's castle when Froslass attacked. Mawile said that she was going on another adventure, foreshadowing her adventure.

Her Adventure
Mawile's adventure starts when El Lotad kidnaps her. When she escapes, she runs into Jolteon's ghost, who summons a bunch of zombies. After she meets the disciples, she's forced to battle Froslass when Froslass doesn't recognize her, then she fights Darkrai, and Lampent. Afterwards, Lampent summons his spaceship to fly to his secret space station where he fights her one last time. After his defeat he commences Plan Z which presumably kills them both

Rotom's Adventure
It turns out Froslass and Mawile are still alive, and hanging out with Dr. Shellos. When they recognize that Rotom is a chosen one, they try to get him to help them, with little success.