AnimalsJokes Little Johnny Came In From School. This Will Make You Go ROFL. A 7 year old son Little Johnny came in from school today and asked his Dad: “Dad, what kind of mouse can walk on 2 legs?” “Erm, I don’t know” dad replied “Mickey Mouse” he replied laughing “Dad, what kind of duck can walk on 2 legs” “Donald Duck” Dad replied “No, all ducks you idiot” See more Previous joke A Mouse Is Running Away From A Cat. Next joke An Old Man Is Selling Watermelons.