|This article is about the leg gem Ruby. You may be looking for another Ruby.|
Wait. So we just...get out and walk around?
|—"Hit the Diamond"|
Ruby, nicknamed "Leggy" by Steven, is a Homeworld Gem who made her debut in "Hit The Diamond". She is the youngest Ruby in her squad known as the Ruby Squad. She and the other Ruby troops were sent to Earth by Yellow Diamond to locate Jasper. She was last seen floating in space after Steven opened the airlock on the Moon Base.
Her outfit is a maroon top with the Yellow Diamond insignia, with brown shorts and maroon boots with her gemstone on her left thigh. Her complexion is the darkest of the Ruby troop, being more of a burgundy color.
She seems to be the most disoriented and confused, never knowing quite what to do. She is also the most fearful, frequently hiding behind other things. She often forgets what she is doing and even briefly forgot her mission and why she came to Earth in the first place.
"Leggy" arrives on Earth in the Roaming Eye with the other Rubies with the goal of retrieving Jasper for Yellow Diamond.
"Leggy" is unsure if she should leave the Roaming Eye like the other Rubies, but "Doc" pushes her out anyway. When the Crystal Gem Ruby disguises herself and asks what the Rubies are doing, "Leggy" jumps in and naively asks what the mission is. "Leggy" participates in the baseball game and is surprised by Amethyst's abilities, claiming "The purple human is really good!". Once Garnet forms and the Rubies discover they have been tricked, "Leggy" appears completely clueless to what is going on around her. When the Rubies form a quintuple Ruby fusion, "Leggy" struggles to hold up all of her crewmates. "Leggy" points out that they just got to the Earth when they are leaving. She leaves with the other Rubies to look for Jasper on Neptune and the other planets in Earth's solar system.
Lapis Lazuli encases "Leggy" and the other Rubies in water bubbles when they return to Earth after not finding Jasper.
"Leggy" is the first Ruby released from Lapis's bubble. Upon being questioned what they are doing back on Earth, "Leggy" says that she does not know. She then nervously gets out of the Crystal Gems' way. "Leggy" is confused as to why Amethyst (who is shapeshifted as Jasper) has decided to stay on Earth, but is proud of her speech. The Rubies then decide to write their report on the nearest Diamond Base, and "Leggy" is one of the Rubies who wonders where it is. On the Moon Base, "Leggy" asks who Pink Diamond is when looking at her mural. She later fuses with the other Rubies to stop the Crystal Gems after they trick them again. After Steven opens the Moon Base's airlock and Sardonyx hits the Ruby fusion hard enough to unfuse her, "Leggy" and the other Rubies are sucked out into space.
"Leggy" is seen floating away from her crewmates.
Post-"Room for Ruby"
"Navy" presumably rescued "Eyeball" from space with the Roaming Eye, as "Eyeball" appears on Homeworld in "The Trial". It is unknown whether "Navy" also rescued "Leggy".
"Leggy" possesses standard Gem abilities.
- When fused with "Doc", "Eyeball", "Navy", and "Army", they form "Giant Ruby".
"Leggy" is the newest member of their group, thus called "Newbie" by the others. She appears confused through most of the mission, being uninformed about their objective. Thus their approach to teaching "Leggy" how everything works seems to be "learning by doing". "Doc" pushed her out of their spaceship in the beginning of "Hit the Diamond" when "Leggy" was taking too long to get out for her liking, but also takes her hand and pulls her with them when they leave at the end of the episode. When scared, she also hid behind the more intimidating appearing "Eyeball" in "Hit the Diamond". She fangirled together with the jovial "Navy" over Amethyst (shape-shifted into Jasper) in "Back to the Moon".
When fusing with the others, she takes the ground position, symbolizing her role in the group. During the first time they fused on-screen, she seems crushed by the weight of the others, but during the second time, she looks much more comfortable, indicating that she has been getting stronger or more used to it.
"Leggy", like the rest of the Homeworld Gems, expresses dislike for the Crystal Gems, but not to the same extent as some of her team members, as she seems uninformed about what they did thanks to being a relatively new Gem to the mission.
Due to their allocation in the baseball game in "Hit the Diamond", "Leggy" was standing frequently next to her. Showing a merry expression while looking at her, "Eyeball" got suspicious of "Leggy", this being after she started being attentive to Ruby's friendly interaction with Sapphire.
In "Hit the Diamond", she admires Amethyst when she performs a spin dash to be faster during playing baseball. She calls her the "purple human" and tells the others that she thinks Amethyst is "really good" [at baseball]. In Back to the Moon, Amethyst shapeshifts into Jasper to fool the Rubies. Amethyst, both acting like she believes Jasper would and being her usual joker self, makes the Rubies comfortable in her presence. They sympathize with her story of keeping the Crystal Gems prisoner, crying and clapping because of her apparent devotion. They also joke alongside with her when she pokes fun at Pearl for being talkative, kicks some earth rocks to demonstrate her animosity towards the planet or gives the Crystal Gems the silly nickname "Crystal Germs". "Leggy" alongside with "Navy" especially liked her jokes, with "Leggy" agreeing to "Navy" calling her "funny and strong". When Amethyst exposes herself, "Leggy" shows almost no angry reaction, however fuses with the others to attack the Crystal Gems.
|1. "Super Watermelon Island":||Absent||13. "Kiki's Pizza Delivery Service":||Absent|
|2. "Gem Drill":||Absent||14. "Monster Reunion":||Absent|
|3. "Same Old World":||Absent||15. "Alone at Sea":||Absent|
|4. "Barn Mates":||Absent||16. "Greg the Babysitter":||Absent|
|5. "Hit the Diamond":||Debut||17. "Gem Hunt":||Absent|
|6. "Steven Floats":||Absent||18. "Crack the Whip":||Absent|
|7. "Drop Beat Dad":||Absent||19. "Steven vs. Amethyst":||Absent|
|8. "Mr. Greg":||Absent||20/21. "Bismuth":||Absent|
|9. "Too Short to Ride":||Absent||22. "Beta":||Absent|
|10. "The New Lars":||Absent||23. "Earthlings":||Non-speaking|
|11. "Beach City Drift":||Absent||24. "Back to the Moon":||Appears|
|12. "Restaurant Wars":||Absent||25. "Bubbled":||Non-speaking|
|1. "Kindergarten Kid":||Absent||14. "The Zoo":||Absent|
|2. "Know Your Fusion":||Absent||15. "That Will Be All":||Absent|
|3. "Buddy's Book":||Absent||16. "The New Crystal Gems":||Absent|
|4. "Mindful Education":||Absent||17. "Storm in the Room":||Absent|
|5. "Future Boy Zoltron":||Absent||18. "Rocknaldo":||Absent|
|6. "Last One Out of Beach City":||Absent||19. "Tiger Philanthropist":||Absent|
|7. "Onion Gang":||Absent||20. "Room for Ruby":||Mentioned|
|8/9. "Gem Harvest":||Absent||21. "Lion 4: Alternate Ending":||Absent|
|10. "Three Gems and a Baby":||Absent||22. "Doug Out":||Absent|
|11. "Steven's Dream":||Absent||23. "The Good Lars":||Absent|
|12. "Adventures in Light Distortion":||Absent||24. "Are You My Dad?":||Absent|
|13. "Gem Heist":||Absent||25. "I Am My Mom":||Absent|
- If the concept art for the Ruby Squad is to be taken literally, "Leggy" is the second youngest Gem in the franchise (the first youngest being the Baby Pebble Steven accidentally created), at around three years old as of Steven Universe: The Movie.
- The ruby is closely associated with aspects such as vitality, life, passion and fire, all of which can be symbolically linked to the color red.
|Ruby has a red stone on her left thigh. It has a square aspect, the front and back are symmetrical, and it has a light pink ring around it, which is usually hidden inside her body, except when she is regenerating. It is a decahedron, specifically a truncated tetragonal dipyramid.|