Edward Irving "Ed" Koch is a character in The Get Down and is played by Frank Wood
Koch is a lawyer and politician. The 1977 mayoral campaign is in full swing, and Koch is looking to secure support in the Bronx. This leads to an uneasy alliance between him and Francisco Cruz.
Koch needs votes, and Cruz needs support for his housing proposition, so the men make a deal, if he supports Koch's bid for mayor and wins, it will net him $10 million for his housing project. As part of his campaign to restore public safety and bring law and order, Koch launches a crusade against graffiti.
Francisco has Ezekiel Figuero serve as a mascot for Koch's campaign. However, Zeke then realizes that Koch was chasing votes by scapegoating young citizens of color.