Allegra

Allegra is a good trainer who lives in Alamos town. She got horribly mad when Darkrai sent her Infernape to sleep. Before, she challenged Brock in the beginning of the movie. She beat Brock's Croagunk. She has 2 other friends, each having one of the final evolution types of the starters of Sinnoh. She picked Infernape.

Pokemon
Infernape 

Her Infernape went to sleep when all the town pokemon were challenging Darkrai.