Tatsuya Nagamine

Zephyr (referred to as Z), an ex-admiral of the marines and leader of the New Navy, gets a hold on Dyna Stones, that, when exposed to oxygen, explode. Using these rocks, he plans on destroying the 3 End Points and flood the new world with lava. When he runs into the Straw Hats and turns Nami and Chopper into kids, it's up to Luffy, his crew, and other unexpected allies to find and stop Z from finishing his evil plan while trying to avoid, not only the Neo Navy, but the Navy as well. (Wikipedia)

The human world has been attacked by an unknown force. Using poisoned thorns, it has put all humans to sleep. Agumon, Gaomon and Lalamon are the only ones left to defeat this enemy. Guided by Rhythm, a young girl they saved, they learn that their enemy is called Argomon. But what can the three digimon do, when they can't even evolve. (imdb)

The unnamed main character has been having strange dreams, seeing strange things, and meeting strange people. He investigates these events and finds a strange girl named Aya. With her help, he discovers that his world may not in fact be real and many of the people he thinks he knows may not exist anymore. (imdb)

Goku and Vegeta encounter Broly, a Saiyan warrior unlike any fighter they've faced before.

A girl named Olga is pursued by both the World Government and a man named Mad Treasure, as she is the only one who knows the location of the Pure Gold, a substance that can buy the entire world. Olga ends up sailing with the Straw Hat Pirates, and they journey to find the Pure Gold on the lost island of Alchemi, which is located inside the stomach of a large angler fish named Bonbori. (imdb)

Dr. Mashirito and Abale-chan centers around Dr. Mashirito Jr and his creation Abale, who serves as a rebellious opposite of the protagonist Arale. Many years after the end of Dr. Slump, Dr. Mashirito Jr returns to avenge his father Dr. Mashirito, the sworn enemy of Senbei Norimaki. He makes an android at any point similar to Arale, except for her character that is somewhat different. He gives the name "Abale" to this android. In spite of itself, Abale will successfully contain an alien invasion.