Happy Cat (ハッピーキャット, Happīkyatto) is a corporate mascot for a large line of products. Happy Cat makes numerous appearances in Fullmetal Alchemist: Unlimited, most commonly appearing as Edward Elric's digital alarm clock, which was a present/curse from The Lightning. Edward frequently destroys it in a comedic fashion but it always operates, mocking Edward for his failure to quiet him. He bears a strong resemblance to the catbus from the film My Neighbor Totoro and the Chesire Cat from Alice in Wonderland. 

Happy Cat
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Vital statistics
Aliases Unknown
Birthplace The Lightning Wing
Date of Birth Unknown
Age Unknown
Family Edward Elric (owner)
Affiliations Unknown
Alignment Unknown
Species Alarm Clock
Occupation Digital Alarm Clock
Rank Unknown
Abilities Durability
Power Level Unknown
Weapons None
Unique Trait Non-Anime character
Goal Make sure that Edward never sleeps again
First Appearance Unknown
Voice Actor Mako Iwamatsu (English dub & Japanese dub)
Seiyū Mako Iwamatsu