Judge Vinsmoke

Affiliations: Vinsmoke Family; Germa Kingdom; Germa 66; MADS (former) Occupations: King of the Germa Kingdom; Supreme Commander of Germa 66; Scientist; Mercenary Origin: North Blue (Germa Kingdom)

Vinsmoke Judge, also known as Garuda, is the king of the Germa Kingdom, the supreme commander of the Germa 66, and the patriarch of the Vinsmoke Family. He is also a skilled scientist, and a former research partner to the leading World Government scientist Vegapunk. He is also Sanji's biological father

(Source: One Piece Wikia)