Both "Hollywoodian" and its synonym "Hollywoodite" are recognized forms.
Gibraltarian is the demonym of Gibraltar.
The name for the people - demonym - of Albania is Albanian.
The name for the people - demonym - of Afghanistan is Afghan.
The demonym for Hemel Hempstead is "Hempsteadian."
The demonym may be Geelongian or Geelongite.
A person who lives in Laval is called a Lavalois if they are male and a Lavalloise if they are female.
Cuban
Belgian
Belgian
Filipino
The demonym for Philippines is Filipino.
Vancouverite...