Junior Bloomsberry is the former main antagonist in Curious George. He is Mr. Bloomsberry's son, boss and leader and is also the Big Bad of the film. He is also Ted and George's enemy, who tries to wreck the museum into a parking garage to make money, but fails when Ted and George found the real Giant 40 ft tall idol of Zagawa. He is selfish, ruthless, silly, funny, formerly murderous, formerly greedy, terrorizing, happy, formerly grouchy, later fun-loving, formerly vile, and sweet.
He made a cameo appearance in Curious George 2: Follow that Monkey.
He was portrayed by David Cross.