These images illustrate a reason why Skyward Sword was a let down to me. In Ocarina of Time, you fight a total of 10 bosses; all of them different. In Skyward Sword there are technically 12 bosses, but half of those are the Imprisoned and Ghirahim, both of which you fight 3 times.
Take out the access fights and your left with 8 different bosses. In 1998 there were 10 bosses, and in 2011 there are 8. Add and improve, mo fuckas!