Primary

• Carla Daughter of Shagotte
• Carla Love Interest of Happy
• Carla Partner of Wendy Marvell

Extended

• Happy Son of Lucky
• Happy Son of Marl
• Happy In love with Carla
• Happy Friend of Natsu Dragneel
• Wendy Marvell Partner of Carla
• Wendy Marvell is the Earth Land version of Wendy Marvell
• Shagotte Mother of Carla