Adjudicator Rick was a Rick that appears in the episode The Ricklantis Mixup. He was the adjudicator at the first presidential debate at the Citadel.
Adjudicator Rick had combed haired and a navy blue suit with a Red and dark Red striped tie
Adjudicator Rick along with other Rick in the crowd were judging the candidates for the next president of the Citadel of Ricks. It was shown that he didn't take President Morty very seriously and neither did the other candidates.
At some point, during the episode, he is killed, by Evil Morty's order.
His lifeless body can be seen on the top right corner after Campaign Manager Morty's corpse is shown.