Hazedon
English name: Chief Joker
Genres: Adventure, Comedy
Type: TV, Episodes: 26
Aired: Oct 5, 1972 to Mar 29, 1973
Studio: Sunrise
Source: Unknown
Rating: PG - Children
Synopsis:
The series focused on a goby fish: Hazedon, who was the offspring of a mermaid and a blowfish. His goal was to travel the world on an adventure with his best friend, Puyang. 

(Source: GoBoiano)