Principal Timothy "Tim" Lawson is an antagonist and the new principal at Avery and Tyler's high school in Dog With a Blog. He is portrayed by Kelly Perine.
Lawson is the new principal at Avery and Tyler's high school. He's strict about the rules and takes his job seriously. He's not afraid of punishing students to the point of expelling them, he already expelled Tyler and Avery, who only helped his brother with his senior prank. Because of this, the school has a "Zero Tolerance" policy of senior pranks.
- It's implied that his mother is deceased.
- It's also implied that his mother used to be the principal of West Pasadena High.