They were 3 ghosts , The Ghost of Christmas, Past, Present and Yet to Come. There was another Scrooges old Business partner Jacob Marley
Merely explains that without their council Scrooge may expect the same fate as he was suffering - everlasting torment.
Humbug
The ghosts are the ghosts of Christmas Past, Present, and Future
Marley appeared to Scrooge and warned him about changing his behavior. Marley also told Scrooge he would be visited by three ghosts.
Visitors has three syllables.
All the spirits teach scrooge a lesson
Scrooge told the two visitors that he was too busy to engage with them and that he did not believe in their supernatural nature. He dismissed them rudely and did not want to listen to what they had to say.
At the beginning of Act Three, Scrooge receives a visit from the Charitable Gentleman seeking donations for the poor, followed by two portly gentlemen collecting for charity.
Huey, Dewey, and Louie Duck were the three nephews of Uncle Scrooge.
Three ghosts
The visitor is Jacob Marley Scrooges long dead busines partner. He foretells of three ghosts who will visit Scrooge The firts will be on Christmas Day at one am. "Expect the second on the next night at the same hour. The third upon the next night when the last stroke of Twelve has ceased to vibrate.
In total the three Ghosts (plus Marley) visited Scrooge all in one night