Timmy Sanders

Timmy is the son of John Sanders, the Sheriff, love interest of Madeline and best friend of  Arthur.

Personality
Timothy Sanders is an excitable and slightly nerdy young boy. He is cheerful, optimistic, and he likes to laugh. He is thoughtful and clever. However, he sometimes fails to see how smart he is.

In the second season Timmy is shown to develop a crush on Madeline, becoming a potential love interest for her.

Timmy's catchphrase is "Holy Smokes!"