There are elements, objects and animals you can take inspiration from for your requests.

Elements:

1. Water
2. Plasm
3. Electric
4. Fire
5. Lava
6. Wind
7. Earth
8. Sand
9. Air
10. Snow
11. Shadow

Objects:

1. Ruby
2. Platinum
3. Diamond
4. Ivory
5. Poison Ivy
6. Skeleton
7. Stone
8. Gold
9. Sun
10. Leaf

Animals:

1. Lion
2. Leopard
3. Owl
4. Wolf
5. Kitsuine
6. Peacock
7. Eagle
8. Bat
9. Tiger
10. Shark