Nick and Nintendo are teaming up for Splatoon: What's the best crossover under the sea? SPONGEBOB SPLATFEST! On April 23, Nintendo is partnering with Nickelodeon to bring a SpongeBob SquarePants-themed Splatfest competition to the Splatoon game for the Wii U console. Players will be asked to declare their allegiance to either the world's most lovable