Tommy Doyle is a recurring character in the Halloween series. In the original Halloween, Doyle is an eight-year-old boy being babysat by Laurie Strode alongside Lindsey Wallace. He is played by Brian Andrews. Tommy is afraid of the boogeyman and constantly asks questions about him to Laurie, who claims he does not exist. When he sees Michael Myers across the street at the Wallace house, Tommy believes it is the bogeyman, but Laurie dismisses his suspicions. When Laurie eventually goes over to the Wallace house to see what her friends Annie Brackett and Lynda Van Der Klok are doing, she is attacked by Michael. She runs back to the Doyle house, screaming at Tommy to wake up and unlock the door, and he does so. Laurie eventually sends him and Lindsey to find help, and their screams alert Dr. Sam Loomis to Michael's location. Halloween II briefly features Tommy in footage from the first film.
A character by the name of Tommy appears in Halloween 4: The Return of Michael Myers hanging out with Brady at the convenience store. He was portrayed by Danny Ray. The character is named in the credits only and it is unclear if this is supposed to be Tommy Doyle.
In Halloween: The Curse of Michael Myers, a 25-year-old Tommy (Paul Rudd) is a reclusive individual who, following the events of Halloween 4 and 5, becomes obsessed with Michael. Tommy theorizes that Michael's obsession with killing his family members stems from the Curse of Thorn, and vows to protect Jamie Lloyd's baby, the latest in the Myers bloodline. His search leads him to the Smith's Grove Sanitarium, where he and Dr. Loomis uncover the supposed "Cult of Thorn". Tommy battles Michael, beating him with a pipe, and escapes with baby Stephen along with Kara and Danny Strode.
Tommy (last name spelled "Doyal" per the credits) is played by Skyler Gisondo in the 2007 reboot, where the character has a similar role to the one he has in the original.
Tommy also appears in the Chaos! Comics one-shot Halloween, in which he is the protagonist. The comic follows on from The Curse of Michael Myers, and sees Tommy vowing to kill Michael once and for all after receiving the journals of Dr. Loomis. The sequel, Halloween II: The Blackest Eyes, sees him team up with Sheriff Leigh Brackett to battle Michael and the Cult of Thorn. In the conclusion, Halloween III: The Devil's Eyes, Tommy escapes Smith's Grove Sanitarium after being blamed for Michael's killings, and finds Lindsey Wallace, who is now a reporter in Chicago. Together, they go through the journals of Dr. Loomis and find out more about the history of the Myers family. Michael eventually attacks Tommy and Lindsey, but they fight back and remove his mask to reveal Laurie Strode. Laurie, having gone insane following the events of Halloween H20, murders Tommy with a shard of glass before being committed to Smith's Grove herself. A different version of Tommy appears in the comic book Halloween: 30 Years of Terror, which ignores The Curse of Michael Myers and any related stories. It depicts Tommy as a comic book artist, working on a series of comics featuring Michael Myers, Jamie Lloyd, and Thorn.
Daniel Farrands, writer of The Curse of Michael Myers, compares Tommy's arc in that film to Laurie Strode's in Halloween H20: 20 Years Later: that of a traumatized victim who must stop running and face their worst fear. He claims that this was supposed to be more obvious, with flashbacks to the original film, but the development of the film resulted in many of those scenes being lost. Farrands says that he brought Tommy back as a way of bridging the gap between the sequels and the first film. His intent was for Tommy to be the successor to Dr. Loomis, to act as a "voice of sanity...a kind of modern Van Helsing, the fearless Michael hunter!", a role he believed was missing from H20 and Resurrection.