It's just a theory, but you guys remember on the Dev. Direct when Sakurai showed a short clip of Samus, Pit, and Link on the Wii U and he said "they were all born in 1986" at first I thought it was just a little fun fact as it had nothing to do with ssb4, or so I thought. If you watch it you can see that he only mentions Link at the beginning of the clip before he says the 1986 line. He never even talked about Link like he did Samus and Pit, it's as if Link was only there so Sakurai could say his 1986 line. He could have just had Pit and Samus on the screen since he only talked about them, or he could have just put a fourth character in just for the face time, but he didn't. That's when it hit me, Takamaru was born in 1986 on the Famicom just like the other 3, but that's pretty vague so let me mention another little detail. Nazo no Murasame was developed for the Famicom using the same engine as The Legend of Zelda just as Kid Icarus was made using Metroid's engine, ALL IN 1986! That's why his little fun fact seemed so out of place, and it's why Link was in the clip even though he didn't really talk about him! HE WAS REFERENCING NAZO NO MURASAME