Who does Jim Carrey think he is - Eddie Murphy?

In the 2000 “The Nutty Professor” sequel, Murphy played eight roles (Sherman Klump, Buddy Love, Granny Klump, Mama Klump, Papa Klump, Young Papa Klump, Ernie Klump and Lance Perkins).

The late Alec Guinness started the ball rolling, playing the Duke, the Banker, the Parson, the General, the Admiral, Young Ascoyne, Young Henry and Lady Agatha in the 1950 dramedy “Kind Hearts and Coronets.” Granted, some of those roles were teeny, but still.

Carrey, 47, ties their record in Robert Zemeckis’ motion-capture animated version of “A Christmas Carol.”

The rubber-faced comic stars as Ebenezer Scrooge and all three ghosts that visit the miserly businessman on Christmas Eve and make him realize the error of his ways. In addition to those four roles, Carrey also is Scrooge as a Young Boy, Scrooge as a Teenage Boy, Scrooge as a Young Man and Scrooge as a Middle-Aged Man.

Maybe the production wanted to save money on actors, because the movie was budgeted at $175 million.

Patrick Stewart played every role (including Bob Cratchit and family) in the Charles Dickens classic - but that 1993 performance was a staged reading where he acted out all the parts, as Dickens himself did.

But Stewart aside, other actors who tackled the lead in “A Christmas Carol” - Bill Murray, Donald Duck (as Scrooge McDuck), George C. Scott, Alastair Sim and even Susan Lucci (Ebbie Scrooge) - were content to simply be Scrooge.

Now that Carrey’s pulled this off, where does he go from here? May we suggest:

• “Cheaper by the Dozen” - he could play both parents and all 12 children.

•“Robin and the Seven Hoods” - where he is Robin, the hoods, the Sheriff and Maid Marian.

• “The Sound of Music” - Maria, multiple nuns and, of course, those von Trapp tots.

(“A Christmas Carol” opens Friday.)