Suggestions by @aaronpirelatinedo

Diamondhead

as Aliens in Ben 10: Imposter

Wildmutt

as Aliens in Ben 10: Imposter

Stinkfly

as Aliens in Ben 10: Imposter

Upgrade

as Aliens in Ben 10: Imposter

Dave Bautista

as Tetrax Shard in Ben 10: Imposter

Mary Elizabeth Winstead

as Myaxx in Ben 10: Imposter

Xolo Maridueña

as Albeldo in Ben 10: Imposter

Ken Watanabe

as Azmuth in Ben 10: Imposter

Benicio del Toro

as Eon in Ben 10: Imposter

Meg Donnelly

as Lucy Mann in Ben 10: Imposter

Ariana Greenblatt

as Lucy Mann in Ben 10: Imposter

Isabela Merced

as Kai Green in Ben 10: Imposter

Jacob Bertrand

as Cooper Daniels in Ben 10: Imposter

Ashley Liao

as Julie Yamamoto in Ben 10: Imposter

Antonio Banderas

as Max Tennyson in Ben 10: Imposter

Gordon Maeda

as Kevin Levin in Ben 10: Imposter

Inde Navarrette

as Gwen Tennyson in Ben 10: Imposter

Matt Smith

as Professor Paradox in Ben 10: Imposter

Ben 10: Ultimate Alien

as Next Project: in Transformers: Robots in Disguise

Craig Gillespie

as Director in Transformers: Robots in Disguise