Gonna try and guess the references for some

Smurfs: Nazis
Dora: Lara Croft
Gintama: ?
Rugrats: ?
Little Mermaid: Angler fish and great white killing people? Shrek: LOTR Troll? Generic Orc?
Bambi: ?
Alice in wonderland: erm
Frozen: Mortal Kombat plus something else maybe?
Tangled: The ring/grudge?
Inspector Gadget: Terminator
Mario bros: italian gangsters?
Bowser: Balrog LOTR
Barbie: Kill bill
Tin tin: ?
teletubbies: uh, lala kind've looks like ET while the others look kind've like quarians from mass effect
Ronalad McDonald: Texas Chainsaw Massacre
My Little Pony: Kinda looks like this? probably not
Ducktales: Payday/Heist film
Babar: no idea
Denver: Juarassic Park
Noddy: Five nights at freddies/Jigsaw/chucky?
TS & HF: Deliverance Hillbillies?
Astro boy: Iron man
Monsters inc: Chewbacca and probably something else
Sonic and Tails: puar and ssj3 vegeta/goku?
Beetlejuice: Zombies
Daria: No idea
Donkey Kong: Oozaru DBZ
Spirited Away: Ghost Busters
How To Train your dragon: Fellbeast LOTR
Futurama: Fry As Starkiller? Bender as Isaac from dead space and zoidberg as cthulu
Green Giant: Attack on titan titan FiF &WiR: Not sure
Avatar: Aang as kratos, unsure about the other two
Roger Rabbit: Feel like this is a film i've not seen
Southpark: Naruto
Kirby: no idea
Totally Spies: no idea
Pikachu: no idea
Cars: Mad Max?
Hello Kitty: no idea
Pac-Man: The thing
MarioKart: no idea
Pink Panther: no idea
Pocahontas: no idea
Angry Birds: no idea
Adventure Time: He-Man
Sailor Moon: Miley Cyrus
Alf: Alien
Woody: Chuck norris
Buzz Lightyear: not sure
WALLE: Robocop Simpsons: no idea
Powerpuff Girls: no idea

Feel free to correct or add to it I'll edit it in