Technically this is a web series, but Shane Dawson
Comes with Shane and Shanayay, additional characters are Aunt Hilda, SDeezys, Ned, Paris Hilton, Shane's brother, and Shane's Mom (both hid Real Mom and him in the costume. Playset piece is a hanger with masks on it.
Another web series, Smosh.
Playset comes with Ian and Anthony, extra characters include Charlie the drunk guinea pig, Boxman, the kid who wears a propeller hat, That Damn Neighbor, and Teleporting Fat Guy. Playset piece is a box that says "SHUT UP"
EDITED: Please remember the rules regarding double posting and edit you first post to add new information. Thanks.