To document his exploits, Matt sends Gobo a series of postcards recounting his experiences with the Silly Creatures and their culture from his Fraggley point of view. Uncle Matt prides himself on his bravery and resourcefulness, but also tends towards clumsiness, frequently falling backwards or tripping during his travels.
He makes a brief return visit back to Fraggle Rock in the second season episode "Uncle Matt Comes Home," but in the fourth season episode "Uncle Matt's Discovery," he returns to the Rock for good. Although he still makes a few occasional trips to Outer Space, he mostly recounts his travels to the other Fraggles orally, as flashbacks are shown.
In an interview, Dave Goelz discussed the three character flaws that define Matt's personality: his misperceptions, his clumsiness (created by Goelz to make taping Matt's segments more interesting), and his denial of the first two flaws.
Traveling Matt is the only Fraggle, and one of the few Fraggle Rock characters in general, to make solo cameo appearances in other Muppet productions, without other Fraggles. He appeared at Kermit and Miss Piggy's wedding in The Muppets Take Manhattan, and promoted the film on German television in 1985. That same year, he was the only Fraggle Rock character present when the Muppets appeared on Night of 100 Stars. In 1986, he received company in the form of Sprocket when introducing scenes in The Muppets: A Celebration of 30 Years. Reuniting with his fellow Fraggles, he participated in mass appearances in the 1987 Television Academy Hall of Fame induction of Jim Henson, and in A Muppet Family Christmas (in which he provided part of the bass vocals for "The Holly and The Ivy" as part of the Carol Sing Medley). Matt also graced NBC interstitial segments for the animated version of Fraggle Rock. Most recently, he made an illustrated appearance at a dance in Volume 1 of the Return to Labyrinth manga series, asking if they have radishes.
A travelling matte is a technique used in television and film to insert a foreground object into a prerecorded background image. This technique was often used in Fraggle Rock, especially when the Fraggles are walking through the many underground caves.