Axel; 

1. Introduction
2. Basics
3. Appearance
4. Quotes
5. True Name
6. Voice

 Analysis; 

1. Name
2. FFVII References

 Relationships; 

1. Xemnas
2. Kairi
3. Vexen
4. Zexion
5. Saïx
6. Marluxia
7. Larxene
8. Roxas