The Animal (2001) plot summary
Rob Shneider is a bumbling wanabe cop, who can do nothing right. Until he goes on a call, and ends up wrecking his vehicle over a hill, which at first he's relatively Ok, until this large rock falls on his vehicle. After which, a strange doctor, takes Schneider to his lab, and saves his life, by putting animal parts in him. Shneider then starts to show signs of the animal parts that were put into him, etc, horse, seal, cheeta. Eventually Schneider starts to do good things and even meets a cute young woman, whom he falls in love with.