Thanawat Sakdavisarak or Bloody Hell Big Head was born and lives in Bangkok, Thailand.

After graduated from Assumption University, He is working as a freelance illustrator with many clients around the world.

Most of his works are influenced by geometric and interior space. His signature work is like to put things and stuff together and make up some situations or just still life or just letterings. Sometime he would like to twist the space into more surreal places like dreamscapes or complex labyrinths like Escher's work but mostly his work is based on working with space.


Selected Client


Kult, SG
Nike, TH
Next to Normal, TH
Ellemen Magzine, TH
aday publishing, TH
abook publishing, TH
WWD Magazine, US
Perrier, TH
Winkreative, UK
Slowmotion, TH
Show Them Agency, SG
Siam Discovery, TH
It’s Nice That, UK
Zeit Magazin, DE
Siam Paragon, TH
Whimsy People, TH
Udogse, DK
GQ Magazine, TH
Leisure Project, TH
Why Magazine, Herman Miller, US
Lufthansa Airline, DE
Wired Magazine, US
Cube Magazine, SG
Oppo, TH
Calm Cottage, TH
Lig.Goods X Standard Archives, TH
Rama Foundation, TH
SC Asset, TH

Merrel, US
Mira, CH
Sansiri, TH
PRADA, TH
Uniqlo, TH
Central, TH
Vespa, TH
Canada Airline, CA
Bonia, MY
Maison Kitsune, TH
Mercedes Benz, TH

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