Black and white movie a man living in a light house puts meet scraps out for something he has not seen. One day the meat man does not save the scraps for him and the thing half alligator half man goes into town and kills. The end scene is the monster climbing up the light house after the man name this movie?? I can not remember the name

The Monster Of Piedras Blancas.

Sounds like how I met my ex-wife.

The Monster Of Piedras Blancas.

You are right that is it thank you