Deucynn (Deuc/e and Fl/ynn) is the friendship pairing of Flynn Jones and Deuce Martinez. Deuce often babysits Flynn and they have several subplots together.
- Deuce, Flynn, and Ty viewed the program "Shake It Up, Chicago".
- Deuce (and Ty) babysits Flynn.
- Deuce and Flynn work together to try to catch a mouse that is on the loose in the Jones' apartment.
- Deuce and Flynn emcee for the talent show at John Hughes High School as a "two-headed person" with Flynn on Deuce's back for the show's entirety.
- Deuce, Flynn and Ty created their own webshow involving zombies, resulting in "Zombie Idol".
- Deuce killed Flynn's goldfish, Mr. Goldberg, and held a funeral for him.
- Deuce, Flynn and Ty have to take care of Mrs. Lee's dog, Bitsy.
- Mrs. Jones puts Deuce is in charge of Flynn and running his errands because she is sick.
- Flynn tricks Deuce into going off and having a good time instead of running their errands.
- Deuce and Flynn go to a baseball game together, which Mrs. Jones sees on television while at home, sick.
- Deuce and Flynn get grounded by Mrs. Jones and are sent to Flynn's room.
- Deuce makes Flynn act as the Great Wazoo, a fortune-telling machine that Uncle Frank bought for Crusty's after it accidentally breaks.
- Flynn and Uncle Frank get revenge on Deuce by pretending Flynn was still in the machine and was on a plane to Italy after Uncle Frank sold the machine to another pizza parlor.
- Deuce and Flynn have to retrieve a cash register key from a fish tank.
- Deuce and Flynn try to help Ty improve his rap skills.
- Flynn sneaked to the party
- In the past, Flynn and Deuce's alternative self Timmy and Ace were brothers.
- Flynn and Deuce are in the Rainbow Scouts.
- Flynn shows Deuce the treasure map first.
- Flynn was wrong about Dina cheating on Deuce.
The image gallery for Deucynn may be viewed here.