Ulgo was one of six young gorillas being held hostage by the Brain and Ultra-Humanite. They were rescued from a locked hut by Miss Martian, who took them outside the city to Primat and Boka. The two adult gorillas took Ulgo and the other children to a place of safety where Congorilla watched over the other mothers.
Background information Edit
- Ulgo is a nephew of Solovar. After Solovar was killed Ulgo ascended the throne as prince regent, under the thrall of Gorilla Grodd Ulgo started the JLApe event.