Walt Disney vs Disney

Walt Disney and Disney both are nouns.

Word	Noun	Adjective	Verb	Adverb
Walt Disney	Yes	No	No	No
Disney	Yes	No	No	No

As nouns, Walt Disney and Disney are synonyms defined as:

Walt Disney and Disney: United States film maker who pioneered animated cartoons and created such characters as Mickey Mouse and Donald Duck; founded Disneyland (1901-1966)

Other synonyms of Walt Disney include Walter Elias Disney.

Walt Disney (noun)	Disney (noun)
United States film maker who pioneered animated cartoons and created such characters as Mickey Mouse and Donald Duck; founded Disneyland (1901-1966)	United States film maker who pioneered animated cartoons and created such characters as Mickey Mouse and Donald Duck; founded Disneyland (1901-1966)