Complex sentence: However, the resulting "monkey-cat" creature comes out of the receiving Telepod terribly deformed and in unendurable pain, and attacks Brundle, who ends up beating the two-headed creature to death with a metal pipe to end its misery.
Split into simpler sentences: However, the resulting "monkey-cat" creature comes out of the receiving Telepod terribly deformed and in unendurable pain. The creature attacks Brundle, who ends up beating the two-headed creature to death with a metal pipe so as to end its misery.