The various characters from Epic Rap Battle Parodies.
- Early Installment Weirdness: The first and so far only character to not have a background greenscreened in, but that was only for his first appearance.
- Badass Baritone: But the Happy Mask Salesman just says he sounds like he smoked a lot.
- White Shirt of Death: Inverted. His hoodie is white, but he's not the one dying...
- Flipping the Bird: "I don't give a HUCK!"
- You Are Fat: MANY insults said toward him are about his weight.
- Take That!: He insults Justin Bieber as well as Justin Buckner.
- You Are Fat: A lot of his disses towards Justin are about his weight.
- Berserk Button: Being left out of Nathan VS Justin despite being a vital part of the crew makes him angry.
- Awesomeness by Analysis: He breaks down how Phoenix thought he could win the rap battle, then brings up his past.
Billy the Kid
- Animalistic Abomination: A "demonic canine", as Smile Dog itself put it.
- Brown Note: Seeing it gradually drives people mad.
- Driven to Madness: The fate of its victims is insanity.
- Slasher Smile: Smile Dog has one of these to such a degree that it causes insanity.
- Memetic Mutation: A weaponised version; anyone who sees Smile Dog has to spread the picture or suffer the consiquences, which is brought up in its verse.
- One-Winged Angel: Smile Dog changes into a demonic version halfway through its verse.
- What Could Have Been: It was meant to appear in a separate video, battling SCP-173. Smile Dog was planned to be played by Justin's actual dog. That idea was eventually scrapped.
- Badass Boast: "I'm a class Keter threat, you're a Euclid at best!"
- Cruel and Unusual Death: "Soon as I'm in the arena, you'll all be [DATA EXPUNGED]!"
- Don't Look at Me!: Inverted, it only attaks when you're not looking. "Blink, and you're dead..."
- Establishing Character Moment: Starts off its verse by killing a Foundaton employee.
- Hero Killer: During its verse, SCP-173 murders several rappers from one of ERBP's previous battles. "Eminem vs Macklemore".
- Neck Snap: Its preferred method of attack. In the video SCP-173 also kills its victims by ripping them in half.
- Offscreen Teleportation: SCP-173 sneaks up on its victims when they look away, i.e. when they're not on screen.
- A.I. Is a Crapshoot: Appears to be a malicious video game character. However, he might be something else enirely.
- Catchphrase: "You shouldn't have done that..."
- Chekhov's Gunman: He cameo'd in The Merchant VS Happy Mask Salesman.
- Cruel and Unusual Death: Promises to subject the rest of the creepypastas to death, film it and post it online as a .wmv.
- Living Statue: Manifests as a state of Link.
- Our Ghosts Are Different: He's presumed to be the ghost of a kid named Ben.
- Pretender Diss: Claims that his opponents are nothing but "wannabe killers".
- A.I. Is a Crapshoot: A living, malevolent videogame glitch.
- The Corrupter: A videogame glitch famous for corrupting the game. He claims he will corrupt his opponents' lives.
- "The Reason You Suck" Speech: His verse contains one, adressed to the rest of the creepypastas, about how lame they are.
- Anthropomorphic Personification: He/it embodies corruption.
- The Corrupter: He/it is corruption personified, so it's kind of a given.
- Dark Is Evil: Zalgo's costume consists of dark robes and facepaint.
- Eldritch Abomination: Usually seen as such. In the video Zalgo's portrayed as a Humanoid Abomination.
- God of Evil: A godlike being of such pure evil that a thought of its rhymes makes people shudder.
- Pretender Diss: Delivers them to the other creepypastas, particularly to Smile Dog and Missing No.
- The Bad Guy Wins: The battle ends with Zalgo claiming his opponents' souls and leaving them in his home dimension to suffer.
- "The Reason You Suck" Speech: his/its verse amounts to how all the other creepypastas are flawed and tamed.
- Your Soul Is Mine: Invoked on the rest of the rappers, particularly Hoody and Masky, by the end of the battle, where he traps them in his home dimension.
Ghost Hunters (Jason Hawes and Grant Wilson)
Ghost Adventures (Zak Bagans, Nick Groff, and Aaron Goodwin)
- Clean Cut: Link shoots him with an ice arrow, then cuts him in half.
- Actor Allusion: All body actors (Max, Matthew, and Justin) actually are bronies.
- Four Is Death: There's four of them, and in the final verse, they get dark.
- Let's Get Dangerous!: "We're getting hungry for Cupcakes!"
Toys R Us Employee
Sam's Club Employee
Mall Security Guard
- An Arm and a Leg: He lost his leg to cancer.
- Tranquil Fury: He's not completely calm, but he's calmer than you'd expect him to be after Sidney keeps ragging on him for his amputated leg.
- At Least I Admit It: Nathan calls him cocky and conceited. He doesn't dispute this claim, and even says he is because he's earned the right to be.