Optifine Required:
1.12.2: Optifine 1.12.2 HD U F5
1.14.4: Optifine 1.14.4 HD U F5
1.16.3: Latest Optifine 1.16.3 Version

List of Gijinka Mobs: (1.12.2 - 1.16.3):
("=" means new mob added on my pack)
- Armor Stand
- Bat
- Blaze
- Cat
- Cave Spider
- Creeper
- Cow
- Dolphin (1.14.4+)
- Donkey (1.14.4+)
- Drowned (1.14.4+)
- Enderman
- Evoker
= Fox (1.14.4+)
- Ghast (Temporarily removed on 1.16.3)
- Giant
- Guardian
- Horse (1.14.4+)
- Husk 
- Illusioner
- Iron Golem
- Llama
- Magma Cube (Temporarily removed on 1.16.3)
- Mooshroom
- Mule (1.14.4+)
- Ocelot
- Phantom (1.14.4+)
- Pig
= Piglin Brute (1.16.3+)
= Piglin (1.16.3+)
- Pillager (1.14.4+)
- Polar Bear (Temporarily removed on 1.16.3)
- Ravager (1.14.4+)
- Sheep
- Skeleton
- Slime (Temporarily removed on 1.16.3)
- Snowman
- Spider
- Squid
- Stray
- Vex
- Villager
- Vindicator
- Witch
- Wither
- Wolf
- Zombie Pigman
- Zombie Villager
- Zombie
= Zombified Piglin (1.16.3)

Supportable, but still holding whether to include it or not:
- Endermite
- Silverfish
- Parrot
- Turtle (1.14.4+)

Supportable, but 100% not included:
- Cod (1.14.4+)
- Ender Dragon
- Evoker Fangs
- Panda (1.14.4+), Unless i have to steal Emmie_4's exact codes, 
which will get my project deleted by Emmie_4 and the mods for stealing codes
- Salmon (1.14.4+)
- Shulker
- Tropical Fish (1.14.4+)

Unsupportable (Even without animation codes):
- Bees (1.15+)
- Elder Guardian
- Skeleton Horse
- Wandering Trader (1.14.4+)
- Wandering Trader Llama (1.14.4+)
- Zombie Horse