Toby Cavanaugh

The books series
Toby Cavanaugh is Jenna's older brother. Toby used to spy on Alison and her friends through his tree house window. One time, Alison and her friends tried to get revenge at Toby, but ended up blinding his stepsister, Jenna Marshall. The girls refer to the incident as "The Jenna Thing". Toby ended up taking the blame because Alison saw him doing something to Jenna. Later he becomes Emily's lab partner. Spencer, Hanna and Aria are worried that he will hurt her when he takes her to prom. Toby later comments on Alison, saying "I'm glad that bitch is dead". He unknowingly leads Emily to think that he killed Alison. Emily then locks herself in her kitchen. When Toby comes to give her her purse she tells him, "I know what you did to her, and I don't want you to hurt me!" Toby, thinking that she is referring to what he did to Jenna, runs away into the woods. The next morning a man finds his body in the woods with a suicide letter. The police decide that he committed suicide by an overdose. The only non-family member he wrote to in his letter was Emily.Toby is one of the suspects to be "A". Emily was falling in love with Toby when he was still alive.

The television Series
Toby is interested in Emily and attempts to get closer to her, saving her from a near-rape by her boyfriend Ben. When he transfers into Emily's chemistry class so he can be close to her, her friends come to think of him as a "creepy stalker". At the time of homecoming, Emily gets a text from her friends saying Toby was Alison's murderer. She runs away, injuring herself and Toby. Toby drives her to the hospital, leaving immediately afterwards. The police finds his wrecked motorcycle. In the summer finale episode, Toby is unfairly arrested for Alison's murder. Toby is currently released on bail and wears an ankle bracelet to prevent him from running away before his trial. Jenna told him that she was the one who turned him in to the police. Spencer than decides to become his French tutor when she sees an ad at school. But in reality its clear she wants to share any info Toby might have about Alison's murder. The district attorney drops charges on Toby because of corrupted blood evidence. Until further evidence can be found against him, Toby is free from conviction.

Romantic Interests
Toby and Emily are together briefly at the beginning of season one until Elimy realizes she's gay and in love with Maya.

Toby and Spencer look like they may be moving beyond friends in the next few episodes to come. Toby is helping Spencer ctch Allison's killer so he won't be framed again.

Toby is portrayed by Keegan Allen.