What is the most harmless animal?

I Would Say That A Worm Is Thee Most Harmless Animal!! Because It Cann Nott Bite Youu! Andd You Cann I Only Diee From It Iff Youu Swallow Itt, Soo Itt Is Pretty Harmless Lol,, Dunnoo Iff I Amm Ritee Thoo,, Butt Cats, Dogs,,Hamsters, And Guinni Pigs Are Defo Cutest !!!!