John Kenn Mortensen, also known as John Kenn, is a Danish artist and author recognized for his unique style of artwork known as "Post-it Note art" or "Monsterdoodles".

His style can be described as darkly whimsical and imaginative, often featuring detailed and expressive pen and ink drawings on yellow Post-it Notes.

Mortensen's illustrations predominantly depict creepy and surreal scenes, filled with eccentric monsters, eerie landscapes, and macabre narratives.

His artwork exudes a sense of playfulness combined with a touch of melancholy, creating a captivating juxtaposition of emotions.

Mortensen's drawings often explore themes of childhood, fear, and the intersection between reality and fantasy.

His distinctive artistic approach and the limited space of the Post-it Notes contribute to the charm and intimacy of his creations.

John Kenn Mortensen's artwork has gained a dedicated following and has been showcased in exhibitions and published in books, inviting viewers into a wonderfully strange and captivating world.