|Official Sanrio pages||1. Official Japanese Sanrio website - Bad Badtz-Maru character relations (in Japanese).|
2. Official English Sanrio website - Badtz-Maru page.
3. Official Japanese Sanrio website - Bad Badtz-Maru family page - archived English version from 2012.
Good Hanamaru appears to be a white, happy seal. He is the portrayal of a good boy.
He was born in London Public Hospital, and his birthday is on August 7th. He makes friends with people easily, and is skilled at acrobatics with a ball. His hobby is gardening.