Dr. Timothy Burke is the son of Dr. Richard Burke and his ex-wife Barbara Burke. He is also the brother of Michelle Burke and the uncle of Michelle's son Henry.

Season 4

Timothy Burke substituted as Monica's eye doctor while his father was out of town. Monica invited Timothy to have Thanksgiving with the group so she could make a move on him. When they kissed however, Timothy reminded Monica of Richard, and Monica reminded Timothy of his mother. Both of them were very disturbed by this, and ultimately decided against attempting a relationship. ("The One With Chandler In A Box")