He vainly attempts a multitude of professions such as an actor,[6] a singer, a marriage counselor,[7] and a zoo curator,[1] while his physical appearance is the subject of one episode in which he begins to lose his hair.

[3] Silla's instructions were simply to walk around on the set, as Itt's voice (provided by sound engineer Tony Magro)[9] was dubbed in post-production, but he often had difficulty seeing through the costume.

Cousin Itt appears in The New Addams Family performed by David Mylrea while his vocal effects are provided by Paul Dobson.

In the 1991 feature film The Addams Family, Cousin Itt (spelled "It", and performed and voiced by John Franklin)[10] has a minor role in which he becomes infatuated with Margaret Alford (Dana Ivey), the mistreated wife of the Addams' crooked lawyer Tully Alford (Dan Hedaya), when he meets her at a party and asks her to dance.

[13] In the 1998 direct-to-video film Addams Family Reunion, Itt (performed by Phil Fondacaro) is pursued by a mutant dog invented by Uncle Fester that feeds on human hair.

During a pep talk with Wednesday, Cousin Itt revealed to her that he once shaved his body during his teenage years as he shows her a picture of what he looked like without his extra hair.

Two plant species native to eastern Australia, Casuarina glauca and Acacia cognata, have both had cultivar developed called "Cousin Itt" due to their short size and shaggy appearance.