[[CaptainObvious A list of characters]] from ''Franchise/HarryPotter'' fanfic ''FanFic/ThreeSlytherinMarauders''.
[[folder: Harry Potter, aka The Boy Who Lived]]
A teenage wizard and one of the main characters in the story.
* HappilyAdopted: Considers Snape his Dad, much to Sirius' dismay.
[[folder: Dudley Dursley]]
Harry's cousin and a fellow wizard.
[[folder: Petunia Evans Dursley [[spoiler: Malfoy]] ]]
Harry's aunt and Dudley's mother.
* LoveInterest: For [[spoiler: Lucius]].
[[folder: Severus Snape]]
* LoveInterest: For Rosmerta.
[[folder: Draco Malfoy]]
* LoveInterest: If the Yule Ball is anything to go by, he might become this for [[spoiler: Hermione]].
[[folder: Lucius Malfoy]]
* LoveInterest: For [[spoiler: Petunia]].
[[folder: Hugo Savage]]
An ex-Auror and friend of the Dragonrest team.
[[folder: Tom [[spoiler: Riddle]] ]]
[[spoiler: The past - and very different - self of Lord Voldemort]].
* BigBrotherInstinct: Towards Harry, Dudley and Draco.
* CrazyJealousGuy: [[BerserkButton Do]] ''[[BerserkButton not]]'' flirt with Dora.
* EvilMeScaresMe [=/=] FutureMeScaresMe: He ''hates'' what [[spoiler: Voldemort]] has done.
* IdenticalGrandson: The cover story is that he's Voldemort's son. Even Dumbledore is fooled.
* LoveInterest: For Dora.
A dragon who [[spoiler: (until chapter 124)]] was sharing Tom's head.
* [[spoiler: [[DiedInYourArmsTonight Died In Your Mind Tonight]]: In Tom's mind, in Chapter 124.]]
* LoveInterest: For Severus.
* OnlySaneWoman: At times.
[[folder: Nymphadora "Dora" Tonks]]
* LoveInterest: For Tom.
[[folder: Vernon Dursley]]
* AbusiveParents: He told Dumbledore [[spoiler: to bind Dudley's magic because he didn't want a freak for a son]].
* [[AbusiveParents Abusive Uncle]]: Toward Harry.
* [[spoiler: DeathByAdaptation]]
[[folder: Sirius Black]]
Harry's godfather, former inmate of Azkaban, and ''extremely'' obnoxious towards Severus and Lucius (and, occasionally, Harry).
* ClearMyName: Tried to capture Peter Pettigrew for this purpose. [[spoiler:Pettigrew escaped but witnesses claiming to having seen him and Tom pointing out to Fudge there's no outcome that'd make him look bad if Sirius was interrrogated under Veritaserum got Sirius cleared anyway]].