What genre are riddles and tongue twisters classified in?

Identity lost in Lord of the Flies? Who is grey of muzzle and with pale blind old eyes in mice and men? Who is the character who beats up Amir in the compound after Amir finds his nephew? What has the author Felix Gould written? How do you pronounce Ga'Hoole? Do black and mild's kill you? What is the theory of the therapeutic community in one flew over the cuckoo? Who are the characters in the book the river between us by Richard peck? Is merchandise a noun? If a guy smiles when anybody says your name do they like you? What are the weak points in Rikki Tikki Tavi? Which science fiction book has the concept of Slow glass? How do use futile in a sentence? A kenning in Anglo saxon poetry is sometimes used to? Where can you read the hitchhikers guide to the galaxy free online? Can you give me a sample sentence using by heart? Who steals the short hand notes in the westing game? What has the author Joseph Agris written? Best defines a haiku? What happend to magwitch?

What genre are riddles and tongue twisters classified in?