King Ruby rules the eastern half of the Crystal Kingdom, and is the father of Princess Ametrine.
| Characters | |
|---|---|
| Heroes | Villains |
| Cucumber | Almond | Sir Carrot | Princess Nautilus | Nightmare Knight | Queen Cordelia | Peridot |
| Disaster Masters | |
| Splashmaster | Noisemaster | Mutemaster | Rosemaster | Quakemaster | Mistmaster | Glitchmaster | Thebestmaster | |
| Dreamsiders | |
| Bagel | Bacon | Baguette | Biscotti | Blueberry | Bruschetta | Captain Bubblebeard | Chardonnay | Cinnabar | Cirrus | Commander Caboodle | Cosmo | Count Legato | Crabsters | Cumulo Puffington | Dahlia | Dame Lettuce | Dream Oracle | Grizzlygum | King Aster | King Clarinet | King Croissant | King Kelp | King Ruby | King Sunflower | Lord Cabbage | Lute | Mandolin | Maple | Obsidian | Panpipe | Princess Ametrine | Princess Azalea | Princess Parfait | Princess Piano | Princess Sunshine | Queen Conch | Queen Cymbal | Queen Sapphire | Rubus Brambleby | Sir Tomato | Tartelette | Tephra | The Guardener | The Sun | Tulip | |
| ??? | |
| Steve | |