Louie

Louie is one of the newcomers to the Penguins of Madagascar TV show

Ability to talk to animals
After being hit by Kowalski's invention that can give humans the ability to talk to non-human animals (evidently), Louie is Able to talk to animals, and Has sinice then been pretty much of an ally to them ever since

Zombie Alias
In his normal state, Louie is voiced by Candi Milo.

But when Louie gets hit by lightning, he becomes a hungry zombie who is always after Kowalski's brain

During this zombie state, he is voiced by Dee Bradley Baker