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"You can't do this, you're only a cheap copy of me!"
— Larry-Boy
  • Species: Vapor

Alter-Ego is a doppelganger of Larry-Boy. He represents the manifestation of Larry-Boy's pride.


Alter-Ego was created using Alchemist and Mother Pearl's Alter-Ego Machine. Larry-Boy defeats it by praising everyone else around Bumblyburg.


Young Ebenezzer

But there's nothing here! Not even a jellybean...

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Physical Appearance and abilities

Alter-Ego is vapor based clone that resembles Larry-Boy, the only differences is his color scheme (purple skin, yellow eyes, a green mask, a green cape, and green pants, a red/orange suit, and black plunger ears) and bigger.

The only known abilities he has is that he use his plunger ears to bounce his opponents. Much like the fibs, he can grow and shrink if either Larry-Boy become either boastful about himself or praises everyone else.

Fun Facts

  • He is the second villain created by Larry-Boy. The first was the Rumor Weed.
    • Also, his demise is very similar to the Rumor Weed's demise as they are both defeated by positive words.
  • On the back of the Leggo My Ego! cover, Alter-Ego's body is the same size as his head. In the episode, his head is bigger than his body.