Size Growth (self) – The ability to increase body size.
Colossal Boy (DC) often towered over skyscrapers in the 30th century (DC Who’s Who #5).
Giganta (DC) loses control as she gets bigger.
Henry Pym (Marvel) has been able to grow larger in his Goliath and Giant-Man incarnations.
Nuklon (DC) could only double his size (DC Who’s Who #17).
Nuklon became Atom Smasher and could grow as high as 60 feet in this incarnation. Nuklon foolishly takes on the Spectre in JSA V1 #75 and proves that the bigger they, the harder they fall.
Gulliver can become a giant in Pantheon (Lone Star Press).
Tower is a giant in Force Seven #1 (Lone Star Press).
Elasti-Girl (DC) in DC Who’s Who #7.
The Galaxy Trio include Meteor Man (Hanna-Barbera) that can enlarge particular parts of his body.
Masada (Wildstorm) can become a giantess in Youngblood Battlezone #2.
Maul (Wildstorm) becomes less intelligent as he becomes larger (WildCATs Adventures Sourcebook).
Mister Big (Savage Dragon)
Roaring Bear (Marvel) becomes a giant due to a potion in Two-Gun Kid V1 #65.
The Claw (Savage Dragon)
Ultimate Way Big (Ben 10)
Way Big (Ben 10)