 One of the main three phantom thieves' teachers and the grandfather of [Queen](https://anilist.co/character/121154/Diamond-Queen). 

~!Queen is later revealed to have been adopted by him, after he saved her from an attack on her kingdom.!~

Silver Heart is a kind and caring person; he cares deeply about Joker, Spade, and Queen, believing that life itself is a treasure. While he is mature, he sometimes can be childish.

In the story, there is nothing in the world that the mysterious phantom thief Joker cannot steal. He goes after one treasure after another in unpredictable capers with seemingly miraculous tricks.
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(Source: Anime News Network)

__Height:__ 164 cm

**Non anime roles:**
- Kamen Rider 2-go - Skyrider (TV Series) and Kamen Rider Super-1 (TV Series)
- Kamen Rider V3 - Skyrider (TV Series) 
- Kamen Rider Stronger -  Skyrider (TV Series) and Kamen Rider Black RX (TV Series) 
- Ninpuu Sentai Hurricaneger - Roku no Yari Satarakura (TV Series)