Rodman - a close friend of the supreme leader of the North Korea - ended up weeping during a TV interview on CNN. "And Obama did not give me the time of day", he said.
"I couldn't even go home, but I kept my head up high, brother. I knew it. I was the only one". I was the only one.
"Yes, Donald Trump reached out", said Rodman claiming he had received a call from Trump's secretary.
He was spotted by Reuters on Tuesday sitting by the pool and smoking a cigar at a hotel just over 200 meters from another hotel where Kim and the North Korean delegation are staying. He wants to come to America.
As Cuomo himself said of Rodman on Monday night, "He is our best resource right now for understanding the minds of the two men, especially Kim Jong-un". "Never discussed, no interest, last place on Earth I want to go to", tweeted Trump.
White House says Trump plans early summit departure
Trump made the unprecedented decision to meet with the leader of the rogue regime, a move all of his predecessors had avoided. Kim and Trump entered the dialogue venue separately at the Capella Hotel on Singapore's resort island of Sentosa.
"It's a great day ..." Rodman has met Kim a number of times and has also appeared on Celebrity Apprentice, Trump's former reality show, where the athlete misspelled Melania Trump's name as "Milania" and was "fired".
Asked if he would meet Mr Kim in Singapore, he said he thought the North Korean leader had "bigger things to worry about", but added that every time he had met with Mr Kim, it had been a surprise.
He first visited North Korea in 2013 with members of the Harlem Globetrotters basketball team, and in 2014 put together a team of North Korean basketball players for an exhibition match marking Kim's birthday.
"I've always been an advocate of involving Dennis Rodman", Clapper noted to Cuomo.
Rodman said Kim, who was educated in Switzerland, "understands bits and pieces", of English. "I said to everybody, the door will open", he said. "He's trying to protect his people, his honor, and everything that has to do with his country".