Knock KnockWho’s there?Alvin!Alvin who!Alvin a Posted on September 6, 2015September 6, 2007 by admin Knock KnockWho’s there?Alvin!Alvin who!Alvin a great time, how about you? Spread the love Related posts: Knock KnockWho’s there?Scold!Scold who?Scold outside! Knock KnockWho’s there?Dali!Dali who?Dali’ve me Knock Knock 172 Knock Knock 84