Waldo was a clown part of the crew of Hill's Circus. He was friends with Dick Grayson as he met the young one during his time at Haly's Circus. Years later, they were rejoined when Dick joned Hill's Circus trapeze act. Around this time, Waldo was framed for the murder of one of the circus' crew and his name was cleared by Robin. Waldo was also engaged with the lion tamer, Magnificent Melany, who helped Robin find the truth about Waldo's frameup.
- Although this character was originally introduced during DC's Earth-One era of publication, their existence following the events of the 1985-86 limited series Crisis on Infinite Earths remains intact. However, some elements of the character's Pre-Crisis history may have been altered or removed for Post-Crisis New Earth continuity, and should be considered apocryphal.
- 13 Appearances of Waldo Flynn (New Earth)
- 1 Images featuring Waldo Flynn (New Earth)
- Quotations by or about Waldo Flynn (New Earth)
- Character Gallery: Waldo Flynn (New Earth)