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.
Super Shenron (Dragon Ball Super) is so massive that it dwarfs entire galaxies.
Koku-Oh (Fist of the North Star) is a black horse the size of an elephant.
Xiao-Mei (Fullmetal Alchemist) has severely stunted growth, making her small enough to fit on a human shoulder.
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.
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.
Mou Bu (Kingdom) towering over General Ou Ki and Shin.
Gai Mou of the Wei Fire Dragons (Kingdom) towering over the Hi Shin Unit soldiers.
Zen Ou of the Kanki Army's (Kingdom) size rivals that of Great General Mou Bou.
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.
Suu vs Nega-Suu (Monster Musume)
Maki (My Bride is a Mermaid) is small enough to easily perch on someone's shoulder or be held in the palm of one's hand.
Bartholomew Kuma (One Piece)
"Big Mom" Charlotte Linlin (One Piece) is a human born with the size of a giant.
As a Wotan, Big Pan (One Piece) is far larger than a human, but still smaller than a giant.
The Blackbeard Pirates (One Piece)
Despite being the younger brother of Kelly Funk, Bobby Funk (One Piece) is twice his size with a very durable body.
Little Oars, Jr (One Piece) Oar, Sr’s descendant.
Sanjuan Wolf (One Piece), also known as the Colossal Battleship, is the largest giant in the world.
Shirahoshi (One Piece) is a giant-sized mermaid, especially in comparison to Luffy.
Wadatsumi (One Piece) is so massive that he makes Shirahoshi and her pet, Megalo, look small by comparison.
The Deer King (Toriko) is the size of a small continent.
The Boss of the Skies, the Bird King (Toriko) is the largest bird beast in the series, with a wing span large enough to completely block the light of the sun where ever it flies.
The Ficasdaltonphant (Toriko) is the second largest creature in the entire series, dwarfed only by Snake King, and is so enormous that entire mountain ranges are the size of pebbles compared to it.
Heracles (Toriko) is so massive that its hoof prints are the size of mountain ranges.
The Snake King (Toriko) is not only the largest member of the mother snake species, but also the single largest creature in the entire series, with a body so massive it encircles the entire planet and a head so large it takes up the entire horizon.
As what amounts to a living black hole, Moon's (Toriko) true size is massive enough to absorb all light and matter that comes into contact with it.
As a member of the Eight Kings, Battle Wolf Guinness (Toriko) is the largest and most massive member of his species.