Galaximus

"Greetings, Locked Room Gang. I am your future ruler, and ruler of the entire universe. I have watched your struggles in secret from Season 1 right up to as we speak. Don't let any other villain fool you- I'M the boss here. You can never defeat me. My sister, stupid squid, has defied me. For this I will KILL her. And no one else will fare better. I'm waiting until you screw up, and make my move. I will dispose of you soon, fools! BWAHAHAHAHAHA!"

- Glaximus Galaximus is a atagonist in the In a Locked Room series. She is Jenny's sister, and is bent on ruling the Milky Way Galaxy, and the entire universe. Since childhood, she has harassed her little sister, and after an incident, she has sworn revenge on Jenny. She is now on the verge of ruling Earth, but she also wants to make sure The Locked Room Gang never escapes. She currently is not allied with other villains, and she will let nothing stop her from killing her sister.

Trivia

 * She looks like a regular Inkling, but she is capable of transformation.
 * Unlike Jenny, she can also grow herself.
 * She kept a low profile for many episodes, until finally revealing herself.