Spoilers, it doesn't state names but it talks about the final boss battle.
I love the Final Boss, he is one of the most original fights Nintendo has made in several years. The music is really good, especially when you make the final push and two familiar faces appear. The dialogue is so ridiculous you have to love it, (Puns!). The design of the character was also just wonderful, he's not some generic giant King of the Octopi. I had a smile on my face the entire time. He's up there with King K. Rool, Hades, and Master Core as one of my favorite final bosses.