"I Am the Walrus" is a 1967 song by The Beatles

The Beatles

The Beatles were an English rock band, active throughout the 1960s and one of the most commercially successful and critically acclaimed acts in the history of popular music. Formed in Liverpool, by 1962 the group consisted of John Lennon , Paul McCartney , George Harrison and Ringo Starr...

, written by John Lennon

John Lennon

John Winston Lennon, MBE was an English musician and singer-songwriter who rose to worldwide fame as one of the founding members of The Beatles, one of the most commercially successful and critically acclaimed acts in the history of popular music...

 and credited to Lennon–McCartney. Lennon claimed he wrote the first two lines on separate acid trips. The song was in the Beatles' 1967 television film and album Magical Mystery Tour, and was the B-side

A-side and B-side

A-side and B-side originally referred to the two sides of gramophone records on which singles were released beginning in the 1950s. The terms have come to refer to the types of song conventionally placed on each side of the record, with the A-side being the featured song , while the B-side, or...

 to the #1 hit "Hello, Goodbye".

Lennon composed the song by combining three songs he had been working on. When he learned that a teacher at his old primary school was having his students analyse Beatles' lyrics, he added a verse of nonsense words.

The walrus

Walrus

The walrus is a large flippered marine mammal with a discontinuous circumpolar distribution in the Arctic Ocean and sub-Arctic seas of the Northern Hemisphere. The walrus is the only living species in the Odobenidae family and Odobenus genus. It is subdivided into three subspecies: the Atlantic...

 is a reference to the walrus in Lewis Carroll

Lewis Carroll

Charles Lutwidge Dodgson , better known by the pseudonym Lewis Carroll , was an English author, mathematician, logician, Anglican deacon and photographer. His most famous writings are Alice's Adventures in Wonderland and its sequel Through the Looking-Glass, as well as the poems "The Hunting of the...

's poem "The Walrus and the Carpenter

The Walrus and the Carpenter

"The Walrus and the Carpenter" is a narrative poem by Lewis Carroll that appeared in his book Through the Looking-Glass, published in December 1871. The poem is recited in chapter four, by Tweedledum and Tweedledee to Alice. The poem is composed of 18 stanzas and contains 108 lines, in an...

" (from the book Through the Looking-Glass

Through the Looking-Glass

Through the Looking-Glass, and What Alice Found There is a work of literature by Lewis Carroll . It is the sequel to Alice's Adventures in Wonderland...

).