Characters: General Protection Fault
A programmer for GPF Software, hired near the start of the strip.
- Annoying Younger Sibling:Implied that Lori is one for him.
- Distressed Dude: In To Thine Own Self
- Gadgeteer Genius: With the Inventor's Gene.
- Happily Married
- Horrible Judge of Character: Toward Trudy.
- Morality Chain: To Trudy. She becomes quite unhinged after his death in the Bad Future.
- Non-Action Guy
- Opaque Nerd Glasses
- Suspiciously Specific Denial: Denies having a job offer from JCN, even when he's not being asked about anything related, and is only overhearing Sharon and Ki's conversation about what Ki will do for work.
- Unwitting Pawn: In Surreptitious Machinations, Trudy manipulates him into building Project Velociraptor, a power source for energy weapons, Deflector Shields and a Kill Sat, which she intends to use for world domination.
- Wide-Eyed Idealist: He gets taken down a notch by Trudy's betrayal. Ironically, his pre-Surreptitious Machinations trust in others inspires Trudy to be more trusting, as he concludes, based on past experiences, not to trust Trish.
The head of GPF software
Jason "Fooker" Barker
Systems administrator at GPF, and also Agent #6 for the Undisclosed Government Agency.
Ki Oshiro Wellington
A programmer for GPF Software
- But Not Too Foreign: The daughter of a Chinese woman and Japanese man.
- Designated Girl Fight: Faces Dr. Not and Trudy as she races up the Statue of Liberty to find Nick, but also faces Chuck.
- Expository Hairstyle Change: Cuts her hair short while dating Sam (much to his displeasure) and lets it grow out for Nick.
- Love Martyr: Willing to stay with and defend Sam even when it is implied that he's cheating on her.
- Second Love: Nick is the second person she has been in love with, after Sam
- Tsundere Dere toward Nick, and tsun toward Fooker.
- Vitriolic Best Buds: Toward Fooker. She helped him stop drinking, and he put her into contact with Dwayne and GPF.
GPF Software's marketing professional.
A slime mold that gained sentience in the filth of Fooker's apartment.
Trudy's old boyfriend, and later her replacement as marketing director of GPF.
A contractor for GPF who is later hired full time
- Dark Is Not Evil: In the superhero universe, Nick cast him as a villain, but by the time of their excursion into that universe through the MuTEX, he's a hero.
- Fat Bastard: Initially. He gets better over time.
- Logical Weakness: As Dexter is a contractor for GPF, Nick is able to get rid of him by finishing the project he was hired to do.
- Otaku: The rest of the cast are fans of science fiction, but Dexter taxes his fandom of Star Wars and Star Trek to another level.
- No Social Skills
- Only Sane Man: Takes up this role in the "Alpha Female" arc when, teaming up with Ki and Sharon, he questions why a funeral home would need an online shopping cart. It turns out that the client also asked that question, and ends up cancelling the contract because they don't need one.
- Stalker with a Crush: Had quite a few elements of this in his short-term relationship with Ki.
Fooker's girlfriend, who becomes systems administrator of GPF after his departure.
Emperor Nicholas The Puissant
Duchess Ki Oshiro
Duchess of Europe for Emperor Nicholas.
General Jason "F**k*r" Barker
General of Nick's armies, a former UGA agent who accepted bribes and joined Nick.
Governor of Asia and formerly the corrupt head of GPF Software.
A resistance fighter in the Nega-verse who contacts the main cast to help them thwart Emperor Nicholas' plans.
Leader of Nega-C.R.U.D.E., an organization dedicated to overthrowing Emperor Nicholas.
A tech expert for Nega-C.R.U.D.E., and a savant who has incredible technological skills, but otherwise has the mind of a toddler.
A resistance fighter who was once friends with Nega-Fooker.
Dr. Nefarious's counterpart, a scientist for the resistance.
Dr. Nefu's assistant
Outside Time And Space
An extra-dimensional entity charged with regulating temporal disturbances.
The Gamester's assistant
Nick and Ki's son, who was sent back from the future to prevent Trudy's rise to power. Rather than be erased, he exists outside time and space
- Kid from the Future
- Shoot the Dog: He states a willingness to kill Trudy's younger self, who, while having done some terrible things, has not yet accomplished her plan, in order to stop Empress Trudy from establishing herself.
- Sunglasses at Night
- Time Police
- Walking Spoiler: His status as Nick and Ki's son, which is hidden from the viewer at first, reveals quite a bit about the plot of Surreptitious Machinations.
- Wham Line: After Nick and Ki help him defeat an Expy of The Terminator, he escapes, thinking "Thanks, Mom and Dad".
Trudy's future self, who took over the world, but began losing her sanity after killing Nick
- Bigger Bad: To Empress Trudy and Emperor Nicholas.
Fooker's best friend. When Trudy moves in to their apartment complex, he is immediately attracted to her, but she makes him her pawn.
Ki's younger brother, who skipped several geades.
Nick's uncle, and a fellow carrier of the Inventor's Gene
A doctor who treats Trudy and suggests that there may be a way for her to find redemption.
Ki's former fiancee
- Attempted Rape: The reason Ki breaks up with him.
- Jerk Jock: It's not obvious at first, but the implications of him cheating on Ki and the way he mocks Fooker mark him as this before the rape attempt, would indicate him as one.
- Karma Houdini
- Your Cheating Heart: It's implied that he was cheating on Ki with Sandra because Ki wouldn't have sex with him. It's never proven, but Ki is shown to be the only one unwilling to believe this.
- Hard Work Hardly Works: Loses his spot in the U.G.A. to Fooker on mere chance, but is able to switch positions with him later.
- The Resenter: Has harbored a grudge against Fooker for years after he was taken by mistake and got his UGA job, but the GPF group convinces him to reconnect.
- Second Love: To Maddie.
- Sibling Ying Yang: Hard-working and disciplined while Fooker is a lazy slob.
Mr. and Mrs. Oshiro
Ki and Yoshi's parents
- Accidental Misnaming: Mr. Oshiro keeps calling Ki "Kyoko," the Japanese name she was supposed to have.
- Exiled to the Couch: After he makes the mistake of implying that he views his mixed marriage as a mistake, even after he apologizes.
- Former Teen Rebel: Mr. Oshiro was apparently a cultural rebel in his youth, marrying a Chinese woman, but became more conservative with age.
- Hey, You!: He typically calls Nick "gaijin"("foreigner"), but calls him "Nick-san" when apologizing to him.
- Hypocrite: Mr. Oshiro disapproving of Nick's marriage to Ki on the basis of him not being Japanese, when he married a Chinese woman. Nick and Ki both call him out on that.
- Japanese Honorifics: Nick calls Mr. Oshiro "Oshiro-sama", and he calls his daughter "Kyoko-san" or "Ki-chan".
- Love-Obstructing Parents: Mr. Oshiro is the last obstacle Nick must overcome to get the right to marry Ki. Interestingly enough, he wasn't nearly as much of a problem when Ki was engaged to Sam, and Sam's parents were the problem.
- Yamato Nadeshiko: Mrs. Oshiro.