Braindead

Braindead, released in the United States as Dead Alive, is a 1992 New Zealand zombie comedy splatter film directed by Peter Jackson, produced by Jim Booth, and written by Stephen Sinclair, Fran Walsh, and Jackson based on an original story idea by Sinclair. It stars Timothy Balme, Diana Peñalver, Elizabeth Moody, and Ian Watkin. The plot follows Lionel, a young man living in South Wellington with his strict mother Vera. After Lionel becomes romantically entangled with a girl named Paquita, Vera is bitten by a hybrid rat-monkey creature and begins to transform into a zombie, while also infecting swathes of the city's populace.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.