Remote Missile (Side Special)
Snake
This Assist will stay suspended in the air, attempting to crush anyone below it.
Thwomp
Koopa
Bowser
This stage is an autoscroller which has fire hydrants, cacti, and a fairy that gives you shoes.
PAC-LAND
These characters have the passive ability to not slip on ice.
Ice Climbers
Power Wave (Neutral Special)
Terry
These 4 characters float around the stage in their pixelated form and barge into opponents, however they have very low health to compensate for their team.
Homura / Hikari
Pyra / Mythra
This stage features a random layout which may include fruit-bearing trees, a dock, and a man-eating shark.
Tortimer Island
This character weighs a staggering 269lbs (122kg) in their home series yet is the 7th lightest character in Smash (Possibly due to their psychic levitation).
Mewtwo
Bayonetta
This will jump into the foreground and sketch many objects such as a Bullet Bill, a flock of birds, a giant pinwheel, and even a funtional Smash Ball.
Nikki
Shizue
Isabelle
This stage features an explosive warhead crashing into the stage, as well as coloured switches that create Cap Boxes
Princess Peach's Castle
This character has none of the games from their home series on the Nintendo Switch.
Kazuya
CLEAR! (Down Aerial)
Dr. Mario
In Smash 4, This character was an assist with 3 distinct attacks using plasma energy. In Ultimate, they were upgraded to a Fighter, however they were just an Echo Fighter and they lost their unique flair.
Dark Samus
Gaogaen
Incineroar
This stage has a massive creature in the background who will rotate the stage (which is relatively spherical)
Brinstar Depths
Despite Donkey Kong not having a voice in Smash, his main voice actor (Takashi Nagasako) actually voices a character in Melee and Ultimate, but who?
Ganondorf
Donkey Kong Jr. (Down Aerial)
Mr. Game & Watch
This "character" is from a 1977 Nintendo clone of Pong. You need to get the Assist's full name.
Color TV-Game 15
Reflet
Robin
Much like Shadow Moses Island and Palutena's Temple, This stage features secret conversations which feature some characters in their Brawl designs.
Lylat Cruise
Despite changing voice actor from Brawl to Smash 4, This character still uses voice clips from their Brawl voice actor when snoring or surfacing from water.
Sonic the Hedgehog