Any user of the Colossus Titan's power (Attack on Titan) is far larger than any regular Titan or Titan Shifter, whether its user is the tall Bertolt Hoover…
…or the more short Armin Arlert.
Ymir Fritz (Attack on Titan) was the largest of all Titans.
Yammy Llargo (Bleach) is massive in size, even for an Arrancar.
In her Legendary Super Saiyan form, Kale's (Dragon Ball Super) size and muscle mass increase drastically, becoming at least twice as tall as a normal Saiyan.
Like Kale, Broly's (Dragon Ball Super) Legendary Super Saiyan form increases his muscle mass and he grows to be three meters tall.
Super Shenron (Dragon Ball Super) is so massive that it dwarfs entire galaxies.
Sadaharu (Gintama) is a massive dog, standing at 5'7 and weighing over 600 pounds.
Ichou (Good Luck Girl) is unnaturally tall even for a misfortune god, being even taller then yamabuki who is the size of a small building.
Polpo, a Capo of Passione (JoJo's Bizarre Adventure Part V/5: Golden Wind/Vento Aureo) was a massive and morbidly obese man, easily towering over regular people.
Hou Ken, the Bushin (Kingdom) towers over the larger men of the Hi Shin Unit.
Ka Rin (Kingdom), Heroic Woman Commander of the Land of Chu'...
...size rivals that of Kan Mei, the Giant of Chu.
Having size that equals his brutal strength, Mou Bu (Kingdom) towers over General Ou Ki and Shin.
Ordo, a Great General of the State of Yan (Kingdom)
Gai Mou of the Wei Fire Dragons (Kingdom) towers over the Hi Shin Unit soldiers.
Zen Ou of the Kanki Army's (Kingdom) size rivals that of Great General Mou Bou.
Ba Nan Ji, the Demon of Ganmon (Kingdom) towering over Kyuu Ku, the tallest member of the Gyoku Hou Unit.
Rozo, King of the Quanrong (Kingdom) towers over the already large Feego Tribe members.
Like all members of the Imuchakk clan, Hinahoho (Magi: The Labyrinth of Magic) possesses a gigantic physique.
In her true dragon form, Tohru (Miss Kobayashi's Dragon Maid) is the size of a building.
Lucoa/Quetzalcoatl's (Miss Kobayashi's Dragon Maid) true dragon form compared to Tohru.
"Big Mom" Charlotte Linlin (One Piece) is a human born with the size of a giant.
Charlotte Praline (One Piece) nearly rivals her mother, Linlin, in size.
Charlotte Katakuri (One Piece)
Charlotte Smoothie (One Piece)
Sanjuan Wolf (One Piece), also known as the Colossal Battleship, ate an unknown Devil Fruit that makes him far larger than any known Giant, even Oars.
Shirahoshi (One Piece) is a giant-sized mermaid, especially in comparison to regular-sized humans.
Shyarly (One Piece) compared to a regular mermaid.
Wadatsumi (One Piece) is so massive that he makes Shirahoshi and her pet, Megalo, look small by comparison.
Edward Newgate/Whitebeard (One Piece)
Issho/Fujitora (One Piece)
Jack (One Piece) is a very large Fishman, almost as large as Big Mom.
Tenguyama Hitetsu (One Piece)
Deep Sea King (One-Punch Man)
Raoh (Fist of the North Star) was the largest and tallest son of the Hokuto Brothers.
Fuji (Rurouni Kenshin) is a giant of a man.