Wednesday

Wednesday is a planet entirely covered by water. Its sole inhabitant is Princess Rage, a female Transformer who can turn into a jellyfish.

Fiction

Beast Wars Neo (Manga)

The Maximals visit Wednesday on their quest for the fifth Angolmois Capsule, and encounter Princess Rage.

Trivia

• In Japan, the days of week are named after various classical elements. This planet's qualities and unusual moniker are derived from the Japanese name for Wednesday, "suiyobi," which means "water day."
  
  
  From Teletraan I: The Transformers Wiki, a Wikia wiki.