If the threat involves deadly force, the person defending themselves can use deadly force to counteract the threat. If, however, the threat involves only minor force and the person claiming self-defense uses force that could cause grievous bodily harm or death, the claim of self-defense will fail.
The Gizmo puppet used in the first film was not used in the second film, however the much cuter Gizmo puppet used in Gremlins 2: The New Batch was featured on the DVD cover of Gremlins. In the first film Gizmo spawned five mogwais, however in the second film he spawned only four (It may be due the quantity of water)
At first, he was called Grizzly, but as he grew he came to look more like a gremlin. This led to a gradual name change from Grizzly to Gizzy, to Gizmo. His brother and sister, Polar Bear and Lily, on the other hand, were born an unusual shocking white color and retained it throughout their lives.