That would the symbol for the conjoined version of Mal Duncan and Firestorm after the Zeta Beam accident...
Preview to Seeing Redd Week
Telegram from BPD Puddle Network
Contacted Frank Beddor [STOP]
Didn't take proper precautions [STOP]
We never expected anything like this [STOP]
Redd's Wonderland contingent formidable [STOP]
Hostile takeover imminent [STOP]
Propaganda unstoppable [STOP]
Battle all but lost...
Illustration of Redd by Brian Flora. Courtesy or Frank Beddor