Trivia and Notes Edit
- Mr. Terrific joined the Justice League in 2010 nominated by Batman.
- M. Curtis Holt has such a terrific IQ that the comment was made he had to be among the" three smartest men on the planet"; but as Curtis went into public service he jokingly gave himself the title "The World's Third Smartest Man"
- Curtis follows Terry Sloane's philosophy of "Fair Play”.
- The title of being "The World's Third Smartest Man" is a nod to Justice League Action tv series episode The Brain Buster.