This franchise is heavily known to be Nintendo's longest running series with over 200 games underneath it's belt. It features a pasta loving Italian plumber duo who beat up a turtle lizard in almost every game.
Mario
This character plays as the main antagonist for Banjo and Kazooie
Gruntilda
"All that glitters is not gold."
Who says this?
This easter egg was an unintentional joke made by Nintendo when first recording the voice acting for Super Mario 64. It originally meant something else entirely, but due to Mario's italian accent, it became a long running meme.
So long, Gay Bowser!
This franchise is often the one Nintendo is known for aside from Mario, having hit it's 25th anniversary as of 2022. It's name was inspired from the concept name it was originally supposed to have which was having the idea of a monster in one's mere pocket.
Pokemon
This character made his debut appearance in nintendo's spin off game, Diddy kong racing as a special unlockable after completing certain requirements. He is heavily known as the only animal who not only has a rather 'vast' vocabulary, but also has a very bad addiction to alcohol and a greedy money problem.
Conker
https://www.youtube.com/watch?v=fmoLeGjlHbw
(What song is this?)
Tide goes out / Marie's solo - Splatoon
"This fight ain't over yet, prepare for a royal whoopin!"
Who says this?
Captain Cuttlefish - Splatoon 2 Octo Expansion
This secret was originally discovered in Animal Crossing: New Horizons. Rumour has it that if you plant a certain amount of money in a hole, this secret will occur and triple the amount of money you had originally gave up.
The money tree
This franchise was considered one of Activision's most highly successful franchises aside from Call Of Duty. Featuring the famous Spyro the dragon, and later on in it's own TV show, Crash bandicoot from microsoft.
Skylanders
The Puppet
https://www.youtube.com/watch?v=JWEBmLx_Dtw&t=169s
(what song is this?)
DJ Music Man Boss theme - (FNAF: Security Breach)
"Good news, Max. I think I just gave birth to a bouncing baby hernia."
Who says this?
Sam - Sam and Max
This easter egg was recently discovered in Deltarune chapter 2, if you walk all the way to the end of the hall in the mansion basement, this secret will be grinning at you for a split second before disappearing.
Creepy grin face
This franchise is a thalassophobia inducing survival game where you play in first person POV as the solo survivor after crashing on an alien planet. This game also later released a DLC that was featured in an arctic setting on the same planet.
Subnautica
This character was once a factory worker for the famous 'Playtime co' who's job was to assist in packaging toys. Rumours have it that he may actually be the soul contained with the Seasame street reject, huggy wuggy.
Rich Avery
https://www.youtube.com/watch?v=N72U-NFu44k
(What song is this?)
It has to be this way - Metal gear rising (Revengeance)
"...No, you are not the one."
Who says this?
Ghost girl - Pokemon XY
This easter egg can only be found in one specific stage in splatoon 1 and struck quite a bit of controversy due to the sound being strangely familiar to the skyward sword boss, koloktos. When the creators were asked about it, they had no idea about it at the time and believed that those who were working in the audio department decided to do it as a prank.
The Laughing Statues
This franchise first started back in 2012, It is a Rpg where you have access to 4 different characters who each have different backstories and can access to various different job classes after defeating their bosses in short side quests. This game franchise is also heavily known for it's kickass music, incredible graphics, and above all, storytelling which in turn made it win the Future game award in 2012, The excellence award in 2013, and gamestop's 3DS game of the year award in 2014.
Bravely Default
This character is the singing siren known for attracting players with it's song. It will try to single out your character if played in multiplayer before attacking you. It's only weakness is a crucifix.
Banshee - Phasmaphobia
https://www.youtube.com/watch?v=LscDEAohHnc
(What song is this?)
True Colours - Little Nightmares 2
"Thats what you get for monkeying around with Murder Monkeys."
Who says this?
Bierce - Dark deception
This FNAF easter egg is considered one of the most hardest to get in the entire franchise and is only available in the 'Curse of Dreadbear' DLC. Currently Jonnyblox and Dawko are the only youtubers who have managed to unlock this. In order to unlock it, you must play through one of the various minigames and win it, have access to three clown posters, and shoot a dart right in each.
IT'S ME
(This easter egg actually is real! Check out Jonnyblox's walkthrough video!)