Pikachu were the first "Electric-type" Pokémon created. They appear as Pika-like creatures that have short, yellow fur with brown markings covering their backs and parts of their lightning bolt-shaped tails.

The First Robotech War concerned humanity's discovery of a crashed alien ship and subsequent battle against a race of giant warriors called the Zentraedi, who were sent to retrieve the ship for reasons unknown.

Ghost in the Shell follows Major Motoko Kusanagi, a synthetic "full-body prosthesis" augmented-cybernetic human employed as the field commander of Public Security Section 9.

Black Butler follows Ciel Phantomhive, a thirteen-year-old boy tasked with solving crimes in London's underworld. Ciel has formed a contract with Sebastian Michaelis to seek revenge against those who tortured him and murdered his parents. Sebastian is a demon who has taken on the disguise of a butler, and in exchange for his services, he will be allowed to consume Ciel's soul.

There are exactly seven Dragon Balls because the author was worried that if there were eight, too many people would think he was ripping off Nanso Satomi Hakkenden (roughly translated as The Eight Dog Chronicles), a 19th-century Japanese novel by Kyokutei Bakin.

Astro, an android with human emotions, is sold to a robot circus but saved from his servitude by Professor Ochanomizu who creates a robotic family for Astro and helps him to live a normal life like an average human boy.

Sailor Moon leads the Sailor Soldiers against villains to prevent the theft of the Silver Crystal and the destruction of the Solar System.

Yu-Gi-Oh! tells the tale of Yugi Mutou, a timid young boy who loves all sorts of games, but is often bullied. One day, he solves an ancient puzzle known as the Millennium Puzzle, causing his body to play host to a mysterious spirit with the personality of a gambler. From that moment onwards, whenever Yugi or one of his friends is threatened by those with darkness in their hearts, this other Yugi shows himself and challenges them to dangerous Shadow Games.

With his crew of pirates, named the Straw Hat Pirates, Luffy explores the Grand Line in search of the world's ultimate treasure known as "One Piece" in order to become the next Pirate King.

Set in a fictional universe in which alchemy is one of the most advanced scientific techniques, Fullmetal Alchemist follows Edward and Alphonse Elric, two alchemist brothers searching for the philosopher's stone to restore their bodies after a failed attempt to bring their mother back to life using alchemy.