Welcome to Grey Hat Monkey

Ooh ooh eee ah! (Welcome)

My name is Oppie Adirono and I am Grey Hat Monkey: a web & graphic designer, front-end developer and illustrator based in Brussels.

I elaborate responsive websites & bring your creative ideas to life.

Recent work

Here are some of my latest work in web & graphic design.

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Being able to offer much for your brand, here are the main services I propose.


Design - I design unique websites, to stand out from your competitor and shine for your clients.

Coder / Front-end developer - I develop modern websites working on most platforms.

Graphic design

Artistic direction & branding - Flyers, posters, covers, business cards, ... Anything you think of, I interpret it in the best creative way and adapt it for any communication means.


Drawings & colors - Been drawing since forever, now it's become a precious hobby. No blank page can stay white when I reach for my pencil.

Contact me


If you are interested to share your wild ideas with me or if you simply want to say hi !