Alter-Ego is a doppelganger of Larry-Boy. He represents the manifestation of Larry-Boy's pride.
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, green mask, cape, and pants, 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 prideful or humble about himself.