Luke, I Am Your Father: One of the cultists fighting Acquisitions Inc. in season 8 is revealed to be Omin's long-lost older sister.
Never Live It Down: Jerry's terrible rolling, repeatedly brought up, and even invoked and immortalized in the "critical fail" song.
Token Adult: Kinda. While all player characters in the game are adults (as the Content Warnings helpfully remind us), Omin frequently comes over as the only adult among the core trio in role-playing encounters.
Properly Paranoid: In the celebrity game, when The Party first meets the Darkmagic's house cat, it immediately becomes attached to Omin. In his genre savviness he checks it out first with his holy symbol so he can be certain it isn't "some crazy sorcerer cat". The rest of the party just dismisses it as Omin being overly cautious as usual, but as it turns out the cat is actually an evil spy for the Wartstaffs.
Binwin is a reckless Dwarven fighter from a disgraced clan.
The Alcoholic: Binwin's father. In fact, it's a sign of trouble when he stops drinking. And Binwin himself for that matter. So much that he carries around a brewers kit in "Ark of the Mad Mage" and gets seriously depressed when the party has to leave a beer-automaton behind.
The Atoner: Parodied by Scott. Upon first reuniting with Wheaton-Aeofel, he delivers the long-overdue warning about the acid trap killed him. Aofel states that all is forgiven. Scott-Binwin replies "Maybe now I can forgive myself" to looks of amazement, bursts of laughter and a standing ovation from the other players and the audience. The look on Wheaton's face is priceless.
The Big Guy: As the party's token fighter, Binwin has the most HP and is most capable of delivering pain at close range.
Blood Knight: Binwin often seems to charge into battle just for the heck of it.
Butt Monkey: As the team tank and pointman, Binwin is constantly caught in traps, set on fire, and generally treated like shit. He can (usually) take it.
Dumb Muscle: Scott role-plays Binwin as such: he is not good at thinking things through but real good at charging things with a maul.
Multi-Melee Master: Being a fighter, Binwin is proficient with a wide range of weapons: in season 6, he wields a greataxe named Seamus; in season 7, he fights with a two-handed maul; in season 8, he Dual Wields two one-handed axes. He can also throw javelins.
Temporary Love Interest: In season 7, he is mentioned to have a dwarven girlfriend in Waterdeep, who is never brought up again in season 8.
Jim is a narcissistic human wizard of the New Hampshire Darkmagics.
Awesome McCoolname: During character creation, Mike was immediately called out by Scott, who demanded "Why don't you call yourself Chet Awesomelaser?" The group then also suggested "Jim Fellmagic," "Fell Darkjim," "Jim Felldark," "Fell Darkevil," and "Ominous Darkfell Magic-Bad."
Laugh Track: Parodied when Jim conjurs one up when there's no one around to appreciate his joke.
Noodle Incident: All the horrible implications Jim makes about his childhood with the Darkmagic carriage Cronk, an ancient, skeletal dragon. Also that his cousin Olivia makes about her childhood with Jim.
Shrouded in Myth: "You are not Jim Darkmagic! Jim Darkmagic is seven feet tall with a shock of red hair and eyes that blaze like the sun!"
Signature Move: A literal example with Jim's Magic Missile, which scorches out JIM when it hits.
Small Name, Big Ego: While Jim Darkmagic is a great wizard, his ego is still way too big. He make it sound like he is the gods' gift to mankind, while in truth he is cowardly and fairly stupid.
Too Dumb to Live: In episode 6, Jim Darkmagic dual-wields his wands as usual... while dangling from a rope. With no hands available to hold on to the rope, he falls into the giant acid pit he just got out of.
Wands Akimbo: Jim utilizes dual wands for his fighting style. He even created a feat for it when it was missing in NEXT.
Catch Phrase: Often says "My name. Is. AEOFEL!" when people call him "Al," and also would like to remind us all that "Elves are the Eladrin's hillbilly cousins." Out of character, Wil also declares his catchphrase to be "Does nineteen work for you?"
My Name Is Inigo Montoya: Aeofel usually introduces himself to his enemy before he swears his Oath of Enmity. Which he does a lot.
Never Live It Down: In-universe, Aeofel gets reminded of his trip to the acid pit in season 3 at every opportunity by everyone, including the DM and the audience at the live games.
Rousing Speech: When Gygax the cat and his undead hamburger minotaurs have ambushed the party and things seem bad, Wil steps up.
Wil: Listen — I've been to hell. And back. And I did not go to hell and back to let some fucking cat come up here in my friend's house and tell my friend "me and my hamburger train are gonna take your books"! [to Gygax:] FUCK! YOU!
Signature Move: His Oath of Enmity, which fans of the show can recite by now.
Unnecessary Combat Roll: Aeofel begins to do a lot of very well described air flips in the PAX games for no apparent reason.
The Alcoholic: Viari being Put on a Bus between seasons 7 and 8 is explained by success going to his head and him "developing a crippling addiction to drinking songs"—so much that he couldn't even be present for the epilogue shoot in person.
The Bus Came Back: Having apparently gotten over his drinking problem, Viari comes back with a Gunship Rescue to save the party trapped inside Dragonspear Castle mid-season 8.
Catch Phrase: "What-ho!" When Pat Rothfuss comes back in season 8, this is literally the very first thing he says.
Man on Fire: After being on the receiving end of one of Jim's fireballs. Bonus points to Pat for actually playing it out, sending the whole table (and half the audience) into a fit of uncontrollable laughter.
Swashbuckler: Of all the party members so far, Viari is, by a wide margin, the most spectacular fighter—in fact, the Rule of Cool trumps tactical necessities in his combat decision-making every time.
Wandering Minstrel: In addition to combat skills, he is also described as a bard (though he emphatically denies actually being one) and his secret powers manifest themselves when he sings.
Ms. Fanservice: Consistently defied. In-game, Webb mostly role-plays Môrgæn as a tough, no-nonsense survivalist. Out-of-universe, the PAX East game was played without costumes, and even though everyone had to dress up for the PAX Prime game, she spent most of it wrapped up head-to-heel in a cloak.
Not Good with People: Mentions several times that she feels uncomfortable in the crowds and prefers to socialize as little as possible.
Properly Paranoid: Particularly in the second half of season 8, Môrgæn's knack for playing things safe helps the party avoid some nasty surprise rounds.
Sensor Character: One of Môrgæn's powers lets her detect what's hiding inside a storm front they are flying into: 22 dragons.