Hercules beetle is one of the largest beetles known. As a larva it feeds on rotten wood and adult insects eat decaying fruits. The larval period of the Hercules beetle lasts one to two years with larva growing up to 110 mm (4.5 in) in length and weighing up to 120 grams.
"The Hercules beetle is said to be the strongest creature on earth for its size, able to carry 850 times its own body weight." -WP