Gundam vs Hello Kitty

Centers around the placement of two or more otherwise discrete fictional characters, settings, or universes into the context of a single story.

Features "super deformed" character designs with smaller, rounder proportions and a cute look.

Prominently features humanoid machines.

Prominently features large robots often piloted by hot-blooded protagonists.

Partly or completely set in outer space.

Prominently features the use of guns in combat.

Features a character from a modern-day setting being transported into an alternate world and has to adapt to their new surroundings.

Relating or devoted to the study of the fundamental nature of knowledge, reality, and existence.

Produced in order to promote the products of a certain company.

Partly or completely set during wartime.

Prominently features animal characters in a leading role.