Which fast blue hedgehog was first introduced in the gaming industry in 1991?

Sonic

What's the name of the circus mouse in 'Dumbo'? Which bird usually wakes people up in the morning on farms? In wrestling, which medal was awarded to Rulon Gardner in the 2000 Olympics when he upset Alexander Karelin? What is the title of the ballet that features a Sugar Plum Fairy? Arabica and Robusta are species of what popular consumable product?