Trevor Thomas is the main antagonist of 1996's A Very Brady Sequel, the sequel to 1995's The Brady Bunch Movie. He is an archaeologist who was the partner and assistant of Carol Brady's first husband Roy Martin. They uncover a lost artifact of a horse that is one of only two in existence (each worth $20 million). Roy sends the horse home to Carol ahead of them to keep it safe, which impeeds Trevor's apparent plan to steal it. Years later, Trevor, claiming to be Roy, shows up to the Bradys and uses this rouse as a means of finding the horse and stealing it from them so he can sell it to a collector in Hawaii. His plan is complicated by how the Bradys react to his arrival and Roy's supposed return.
He was portrayed by Tim Matheson.