Leroy, AKA Experiment 629, is the deadly creation of Dr. Hamsterviel and is his master's deadliest henchman. He is the titular secondary antagonist in the Disney sequel, Leroy and Stitch.
Disney Vs Non Disney Villains - Part Two[]
Alien Vs Alien[]
Dr. Hamsterviel brings in Leroy to defeat Krang, an alien standing in the way of Dr. Hamsterviel's discovering important interdimensional transportation technology. Leroy grabs two blasters and takes down the heli-carrier of Krang's rock soldier guards. Though Krang shoots him with twin lasers from a bipedal walker, Leroy survives.
Disney Villains War[]
Vs Mcabeth[]
Deciding to try his hand at taking out Xanatos' forces, Doctor Hamsterviel confronted the mastermind's employees, including the criminal brothers Horace and Jasper, and the immortal Scottish king Macbeth. Instead of battling them himself, Hamsterviel unleashed his foremost creation, Leroy. The alien creature made quick work of Horace and Jasper, but Macbeth proved a more dangerous opponent, killing Leroy with a well-placed shot. Before he could do the same to Hamsterviel, the doctor fled in his ship.
Disney Vs Anime Villains War[]
Vs Skeleton King[]
Skeleton King prepares his forces by joining Mandarin to his cause, just when they were ready Leroy infiltrates Skeleton King's fortress and destroys everything. Skeleton king orders the monkey to destroy the little pest, who will win of this little villains?
Vs Mandarin and Mr.Cat[]
By orders of the Skeleton King, Mandarin must go to destroy the Cloning Machine at all cost. Mr. Cat wants to prove to the Z Force that he is not only a little cat and accompanies the monkey, as they arrived Hamsterviel is using the machine to create an army of Leroy's. Will Mandarin and Mr. Cat prevail or is the doctor having a trick up his sleeve?
Battle of Galaxy[]
Zurg launches a full assault with all his forces to stop nothing more than the Forestation Project. The Metarex are prepared for the incoming assault as they confront Zurg's forces, but what will happen when someone starts his plan to end both enemies at once and claim victory?
Disney Heroes Vs Villains War - Part Two[]
Leroy is set to appear in the second part of the war, along with many other characters.
All Star Villains War[]
Disney vs Cartoon Villains War[]
Capturing Lapis[]
Vs Jasper[]
After Jasper invaded Hamsterviel lair,the hamster sent his bodyguard,Leroy,to rid of Jasper.As Leroy was shooting Jasper,the warrior used her blaster to reduce Leroy into atoms.However,the clones of Leroy were freed after the destruction of Hamsterviel ship.
Teaming with Nos4a2[]
Nos4a2 was angered of the fact that Zurg does not want to recruit him for his faction, while a clone of Leroy escaped from Jasper's attack. Nos4a2 saw the red alien and decided to join forces with him to destroy a certain rival of Zurg.
Vs Vexus[]
Nos4a2 and Leroy arrived on The Cluster Planet to invade it for Zurg.However,Vexus was already equipped with new tehnology by Gems which can help her to fight better.Angered,Leroy tries to hit Vexus only to instantly fail as he is stopped by Vexus's shield and knocked into the wall by the queen.As Vexus was grabbing Nos4a2 and tried to impale him into the Cluster Planet's ray,Leroy managed to wake up,took a bar and tries to knock Vexus but with no use as Vexus dodged the attacks.As Leroy and Vexus were fighting,Nos4a2 revealed to them that he manages to hypnotise all the robots from The Cluster Planet and forced them to rebel against Vexus.Shocked by this turn of events,Vexus swears revenge as she fleed from her planet thus leaving Nos4a2 as the ruler....