THE BODY: A mass of lymphoid tissue at the back of the throat?

Questions

In 'The Shining' what was the child's imaginary friend's name (the one who told him things that were going to happen)?

In the soapie 'One Life To Live' who was Vicky's alter ego?

In the theme song from 'The Flintstones', what is the line after 'Let's ride with the family down the street'?

In the U K comedy series "The Benny Hill Show" what were the singers & dancers called?

In 'The Wizard Of Oz', what was Dorothy's dog's name?