riddle - What do they have in common?

What is the link between an astronotical fish, an owner of crown jewels, Chelsea, an honoured Akira, and a synthesizer?

Hint 1:

The link is a name

Hint 2:

A wilde name

Answer

The answer is

Oscar

for the following reasons:

astronotical fish -> astronotus ocellatus = oscar fish
an owner of crown jewels -> Oscar of Sweden (King of Sweden and Norway, 1799-1859)
Chelsea -> Oscar dos Santos Emboaba Junior (plays for Chelsea)
an honoured Akira -> Oscar academy award for Akira Kurosawa
a synthesizer -> OSCar synthesizer (by the Oxford Synthesiser Company)