Question: Mickey's Christmas Carol included characters from the 1949 animated package released by which company?

Context paragraphs:
Kalanta Xristougenon: Kalanta Xristougenon (Κάλαντα Χριστουγέννων) is a Greek traditional Christmas carol (kalanta) translated into English simply as "Christmas Carol."  This carol is commonly abbreviated as "Kalanta" or "Kalanda", some other common titles for this Christmas carol are Kalin Iméran and Christos Genate.  This carol is commonly sung around Christmas and accompanied by light percussion instruments such as the Triangle (musical instrument) and Guitar.

The Essential Jimi Hendrix: The Essential Jimi Hendrix is a greatest hits package released in 1978 that has some of Jimi Hendrix's most popular songs.  Some songs not included in this release would show up on the second collection in 1979.  When released on CD, volumes 1 and 2 were put together as a double-CD package.  The original release came out as a double LP/single and long play cassette.

A Klingon Christmas Carol: A Klingon Christmas Carol is the first play to be performed entirely in Klingon, a constructed language first appearing in the television series "Star Trek".  The play is based on the Charles Dickens novella, "A Christmas Carol".  "A Klingon Christmas Carol" is the Charles Dickens classic tale of ghosts and redemption, adapted to reflect the Klingon values of courage and honor, and then translated into Klingon, performed with English supertitles.

A Christmas Carol: A Christmas Carol in Prose, Being a Ghost-Story of Christmas, commonly known as A Christmas Carol, is a novella by Charles Dickens, first published in London by Chapman & Hall in 1843; the first edition was illustrated by John Leech.  "A Christmas Carol" tells the story of Ebenezer Scrooge, an old miser who is visited by the ghost of his former business partner Jacob Marley and the Ghosts of Christmas Past, Present and Yet to Come.  After their visits Scrooge is transformed into a kinder, gentler man.

Mickey's Christmas Carol: Mickey's Christmas Carol is a 1983 American animated featurette produced by Walt Disney Productions and released by Buena Vista Distribution.  It was directed and produced by Burny Mattinson.  The cartoon is an adaptation of Charles Dickens' "A Christmas Carol", starring Scrooge McDuck as Ebenezer Scrooge.  Many other Disney characters, primarily from the Mickey Mouse universe, "Robin Hood", and "The Adventures of Ichabod and Mr. Toad", were cast throughout the film.

The Muppet Christmas Carol: The Muppet Christmas Carol is a 1992 American-British musical fantasy comedy-drama film and an adaptation of Charles Dickens's 1843 novel "A Christmas Carol".  It is the fourth in a series of live-action musical films featuring The Muppets, with Michael Caine starring as Ebenezer Scrooge.  Although it is a comedic film with contemporary songs, "The Muppet Christmas Carol" otherwise follows Dickens's original story closely.  The film was produced and directed by Brian Henson for Jim Henson Productions and released by Walt Disney Pictures.

Saludos Amigos: Saludos Amigos (Spanish for "Greetings, Friends") is a 1942 American live-action animated package film produced by Walt Disney and released by RKO Radio Pictures.  It is the sixth Disney animated feature film and the first of the six package films produced by Walt Disney Productions in the 1940s.  Set in Latin America, it is made up of four different segments; Donald Duck stars in two of them and Goofy stars in one.  It also features the first appearance of José Carioca, the Brazilian cigar-smoking parrot.  "Saludos Amigos" was popular enough that Walt Disney decided to make another film about Latin America, "The Three Caballeros", to be produced two years later.  "Saludos Amigos" premiered in Rio de Janeiro on August 24, 1942.  It was released in the United States on February 6, 1943.  At 42 minutes, it is Disney's shortest animated feature to date.  It garnered positive reviews and was theatrically reissued in 1949, when it was shown on a double bill with the first reissue of "Dumbo".

A Christmas Carol (1999 film): A Christmas Carol is a 1999 British-American made-for-television film adaptation of Charles Dickens' famous novel "A Christmas Carol" that was first televised December 5, 1999 on TNT.  It was directed by David Jones and stars Patrick Stewart as Ebenezer Scrooge and Richard E. Grant as Bob Cratchit.  The film was produced after Patrick Stewart performed a series of successful theatrical readings of "A Christmas Carol" on Broadway and in London.

The Simple Things: The Simple Things is a 1953 animated short subject, part of the "Mickey Mouse" series, produced by Walt Disney Productions.  Released by RKO Radio Pictures on April 18, 1953, the short is notable as the final regular entry in the "Mickey Mouse" theatrical cartoon series.  Following this short, one-shot Mickey shorts were produced: the featurettes "Mickey's Christmas Carol" (1983) and "The Prince and the Pauper" (1990), and the shorts "Runaway Brain" (1995), and "Get a Horse! " (2013).

The Adventures of Ichabod and Mr. Toad: The Adventures of Ichabod and Mr. Toad is a 1949 animated package film produced by Walt Disney Productions and released by RKO Radio Pictures.  The film consists of two segments – the first is based on the 1908 children's novel "The Wind in the Willows" by Scottish author Kenneth Grahame, and the second is based on the 1820 short story "The Legend of Sleepy Hollow," called "Ichabod Crane" in the film, by American author Washington Irving.

Supporting paragraphs: Mickey's Christmas Carol The Adventures of Ichabod and Mr. Toad
Answer: RKO Radio Pictures