Muggs Magoo was a male Human of 20th century Earth. He was a professional athlete who participated in boxing contests.

In 1930, he fought Mickey Mason in Bay Land Garden in San Francisco. Magoo was the favorite. (DS9: "Past Tense, Part II")

This character was only mentioned in writing.
Muggs Magoo replaced Buddy Sencio on the boxing poster, which first appeared in "The City on the Edge of Forever".