Steve Carell , Russell Brand , Miranda Cosgrove , Elsie Fisher , and Dana Gaier reprise their roles as Gru , Dr. Nefario , Margo , Agnes , and Edith respectively ( excluding Mr. Perkins , Miss Hattie and Vector ) .
In Despicable Me 2 , Mr. Perkins , Miss Hattie and Vector do not reprise their roles .