After the events of Scanners 2, Kellum went deep undercover to protect his older sister and himself from being exploited by government agencies. A couple months later, his girlfriend has a freak-out and leaves him, taking their dog (Trooper) with her. Kellum finds that his parents had another child, Jeannie, before they were killed. They had left her with more friends that eventually accept David into their family so he can be with Jeannie when he realizes she is a scanner, but has a much weaker ability compared to David's. In effect, he becomes Rodney McKay and goes back to school after he masters his abilities and is able to function in high population areas without being stressed. As McKay, he does get his multiple PhDs and is hired as a civilian contractor with the US military and eventually goes to Atlantis. Events on an away mission force McKay to reveal that he's a Scanner, but his identity holds as Meredith Rodney McKay. Sheppard has some difficulties with the fact that McKay has psionic abilities but they do get together (please, must have a hot sex scene with Rodney as bottom). The SGC may look into McKay's background and may/or may not find his true identity-depends on the author's discretion. Also, McKay's abilities have grown over the years, so he's pretty damn powerful. The Ancients can't sense them, since McKay hides his ability extremely well but they may make an appearance since McKay revealed his abilities on that away mission to save his team. Must have a happy ending, I get depressed on sad endings.
The game of "Would You Rather" that Carter, McKay, and Keller play while trapped in "Trio" goes a little farther. Instead of just asking about celebrities, they start asking about other members of the Atlantis expedition or the SGC. (Also, you could decide to change which characters got stuck down there) What secret feelings are revealed? Does Keller admit she has feelings for Ronon (or McKay)? Is Rodney carrying a torch for Sheppard? What's actually going on with Carter and O'Neill? What else can you come up with? Any pairing you like, although there was definately a hint of McKay slashiness in the show, and that would be interesting.
Categories: General, Bitextual, Ship Pairings > Carter/McKay, Ship Pairings > McKay/Other, Ship Pairings > Other Pairings, Slash Pairings > McKay/Sheppard, Ship Pairings > Ronon Dex/Other, Slash Pairings > McKay/Zelenka, Crossovers > Ship Pairings, Crossovers > Slash Pairings Characters: Jennifer Keller, Rodney McKay, Samantha Carter
Danny Phantom/SGA Crossover: 1/2!Ghost!19!John meets 18!Genius!Rodney; McShep.
Maximum Ride/SGA; Gen or Slash McShep w/ Winged!Rodney & Winged!John) Senario 1: Avian-Human Hybrids were created by the Ancients & anyone with the ATA gene, artifical or real, has that DNA hard-wired in it. The DNA 'turns on' for some reason & every gene carrier starts transforming/growing wings. Erasers (wolf-Human Hybrids) were/are created by the Genii(or Wraiths) to combat them. Senario 2: SGA characters set in 'Maximum Ride' world. Erasers could be as shown in book, or Wraiths may be used.
Major Lorne (and Rodney maybe) get thrown through the Gate and have to find a way home to Atlantis. Heavy Lorne (and Rodney if you put him in), with a lot of Young too. Not phased if it's slash or not.
Doctor Who/SGA Crossover. Rodney's really a Time Lord (either The Doctor, Master, or an Unknown), but is in Human Form, & doesn't know. Does he find out? John gains immortality/near-immortality with the help of a Ancient Device; J/R Friendship or Slash. Have Fun! Anything Goes:)