1. If you take a closer look at Daisy's trophy in Super Smash Bros. Melee, you'll find she has a creepy third eye floating on the side of her head.
3. The announcer for Brawl was also the announcer for Bill Nye, the Science Guy.
4. American Idol winner Taylor Hicks placed 257th (out of 709) in a 2013 Super Smash Bros. Melee national competition.
6. Recently deceased CEO of Nintendo, Satoru Iwata, was almost single-handedly responsible for Super Smash Bros. Melee meeting its release date. Though he was a General Manager of Corporate Planning at the time, he rolled up his sleeves and personally debugged the game for three weeks straight.
8. Peach's Melee down-smash is one of the highest damaging single smash-attack in the entire series, fetching 65% in this tournament match. This is because crouching sucks an opponent deeper into the attack.
9. There is a picture of lead designer Masahiro Sakurai's cat in the Pokémon Stadium 2 level in Super Smash Bros. Brawl.
10. Jigglypuff's model in Super Smash Bros. 4 3DS was ripped directly from Pokémon X and Y and only slightly modified.
11. When Jigglypuff uses her "Rest" move on the Fountain of Dreams stage, her reflection on the ground keeps its eyes wide-open.
12. Marth and Roy were nearly cut from the American version of Super Smash Bros. Melee, because no Fire Emblem games had yet been released in the states. Ironically, the inclusion of the two characters increased the popularity of the series and led to more localizations.
13. In the English version of Melee, Mewtwo only speaks in grunts, but in the Japanese version, he speaks in full sentences during his victory poses, saying things like "why am I here?"
14. The Hylian text on the Hyrule Temple stage translates to "Smash Bros."
15. The menus in the Smash series are designed by Michiko Sakurai, the wife of the Smash's creator, Masahiro Sakurai.
16. The original 8 Super Smash Bros. characters are arranged on character select in chronological order. Mario is the earliest and Pikachu the most recent.
17. Both Sonic and Snake were considered for Melee, but were not included due to time constraints. They were later included in Brawl.
18. There is speculation that the Pikachu in Brawl is actually the Pichu from Melee. Pikachu's Final Smash is Volt Tackle, which can only be learned from a Pichu pre-evolution. It also wears the blue goggles that Pichu wore in the previous games.
19. The prototype of the original Super Smash Bros. was called Dragon King: The Fighting Game and did not feature any Nintendo characters.
20. There are textures of a damaged Hylian Shield, a scratched Meta Knight's mask and a cracked Captain Falcon's helmet left in Brawl, which implies that battle damage was once intended to be a feature in the game.
21. Ice Climbers were included in Melee because Sakurai considered them the best fit for Smash from a classic NES game. However, other characters from that era were considered, like Balloon Fighter, Urban Champion, Excitebike and Bubbles (from Clu Clu Land).
22. The 8-Player Smash mode from Smash 4 was originally intended for Melee. However, technical limitations prevented that from becoming a reality.
23. In Melee, Luigi's voice is Mario's with an altered pitch.
24. Although he is made to appear completely 2-D, Mr. Game and Watch is actually rendered in full 3-D.
25. HAL Laboratory, the company responsible for Super Smash Bros., "was named as such because each letter put us one step ahead of IBM!" according to Iwata.
26. Bowser, Dedede, and Mewtwo were all planned at some point in the original Super Smash Bros. development, but were eventually cut from the game.
27. Kirby's bio in the original Super Smash Bros. states he is only 8-inches tall.
28. There are sound-files in Super Smash Bros. of Ness saying "PK Starstorm!", which is his Final Smash in future games. Final Smash attacks were planned for the original game but could not be implemented due to technical limitations. They were finally introduced in Brawl.