Marluxia

Marluxia is Organization XIII's number 11.

Weapon
Marluxia uses a sythe and flowers

Real name
Marluxia's real name is not known but is possibly Lumaria as There is a plant called Crataegus Lumaria and Marluxia uses Flowers.

Kingdom Hearts 358/2 Days
Marluxia is a playable character in Kingdom Hearts 358/2 Days.