[Repeat Offender]

And it could be considered a parody, which is protected.

[Thorliveshere]

And it could be considered a parody, which is protected.

I think you're stretching it by calling it a parody. If he had made her cross-eyed with flies swirling around her head, then you'd have something, but no... even Weird Al' had some issues with making parodies of songs; and he had permission from the record label!