Uncle Jim Flynn

 is the uncle of Phineas and Candace and older brother of Linda. He lives in West Virginia and used to be very like is nephew and step-nephew.

Personality
Jim is very like Phineas in personality; optimistic and adventurous. However, he seems to be much calmer nowadays.

Phineas
Jim seems to like his nephew, who seems to look up to his uncle.

Ferb
Jim seems to like his step-nephew, who seems to look up to his uncle.

Isabella
Jim seems to be slightly close to Isabella, as she calls him "Uncle Jim" like Phineas and Ferb.

Buford
Jim seems to be slightly close to Buford, as he calls him "Uncle Jim" like Phineas and Ferb.

Baljeet
Jim seems to be slightly close to Baljeet, as he calls him "Uncle Jim" like Phineas and Ferb.

Linda
Linda doesn't believe that Jim went on all of his "adventures", however they're as close as siblings should be.

Unnamed older sister
Jim's unnamed older sister treated Jim like Candace treats Phineas.

Candace
Jim and Candace hardly interacted, however, Candace calls out "Uncle Jim" like the others, however she denies it.

Angus
Angus, Ferb's scottish uncle, was Jim's Ferb equiavelent when he was a child. They get along like Phineas and Ferb.

Rubella
Rubella, or Isabella's cousin, is Jim's Isabella equiavelent when he was a child. However, unlike Phineas and Isabella, neither seem to have feelings for each other.

Clifford
Clifford, or Buford's dad, is Jim's Buford equiavelent when he was a child. Clifford calls Jim "Dinnertable", like Buford calls Phineas "Dinnerbell".

Sabu
Baljeet's Uncle Sabu is Jim's Baljeet equiavelent when he was a child. Jim helps Sabu try to be "cool" and accidently convinces him to build "Rubber Bands, Rubber Balls".

Appearances

 * West Virginia Flynn and the Temple of Shooyong

Background Information

 * Voiced By: Jeff Marsh (present) Vincent Martella (young)
 * He is the sixth character to take place of Phineas in an episodes, the other being Isabella in Isabella and the Temple of Sap, Phinebunk in The Tri-Stone Area, Phineas in Doof Dynasty, Phineas in Excaliferb! and Ohio Flynn in Phineas and Ferb and the Temple of Juatchadoon.
 * He is the third uncle of Phineas and Ferb, the first being Angus Fletcher and the second being Adrian Fletcher.