Knock Knock - Anthem

Knock Knock
Who's there?
Anthem!
Anthem who?
You Anthem devil you!

Knock Knock - Remember

Bob: "Will you remember me tomorrow?" 
Bill: "Yes"
Bob "Will you remember me next week?" 
Bill  "Yes"
Bob: "Will you remember me next month??"
Bill: "Yes"
Bob: "Will you remember me next year?"
Bill: "Yeah"
Bob: "Knock Knock"
Bill: "Who's There?"
Bob: "See, you forgot me already!"

School Bus

Q: What do you call a bunch of black people inside a school bus?
A: A rotten banana!