Meet Invader Zim. This charming mixed breed dog is ready to make new friends! Invader Zim gets along well with other dogs, making him a great addition to a multi-pet household. Stop by and say hello to him today. Invader Zim is part of the Sponsored by Simba Program: Pets for Veterans, which means there's no adoption fee for military veterans who adopt a pet aged one year or older. This friendly fellow is looking for a loving home. Your new best friend is just one click away.