Description:  "Tom of T.H.U.M.B." refers to a spy cartoon from the show The King Kong Show that aired in the 1960s, where Tom is a miniature agent of the Tiny Humans Underground Military Bureau. The segments typically featured Tom and his partner, Swinging Jack, on missions where their small size was crucial to a plan, often involving shrinking themselves with a laser ray gun to combat villains like the organization MAD. The premise is that an average-sized intelligence agent was wounded, and his country created T.H.U.M.B. to continue the work.

Character: Tom is the lead agent of the T.H.U.M.B. agency, which also includes his sidekick, Swinging Jack.

Agency: T.H.U.M.B. stands for the Tiny Humans Underground Military Bureau.

Mission: Tom and Jack use their size, which they achieve with a shrinking laser ray gun, to infiltrate and thwart the plans of villainous organizations.

Genre: The segments are part of the spy-fi genre that was popular in the 1960s.

Show: They were originally segments that aired between episodes of The King Kong Show.