Czech-Language Just Chatting & Variety Streamer
FattyPillow is one of the most-watched Czech and Slovak streamers — a veteran entertainer who has been creating content since 2013 and became the top Czech/Slovak broadcaster on his platform. Known for his original performances, humour and openness about his life, he has built a following of hundreds of thousands, with a net worth estimated in the low millions.
Who Is FattyPillow?
FattyPillow is a Czech streamer and entertainer known for Just Chatting, gaming and original comedic content. A long-standing figure in the Czech-language scene, he has built a large, loyal audience and become one of the most recognisable creators broadcasting in Czech and Slovak.
FattyPillow’s Early Life & Background
FattyPillow’s real name is Karel Sivák, and he was born on 15 August 1992 in Třebíč, Czech Republic. He grew up raised by his mother after his father died when Karel was young — a difficult early chapter he has spoken about openly, and one that has shaped the honesty of his content.
How FattyPillow Got Into Streaming
He first created online under the pseudonym Tlustej Kárl in 2013, initially focused on hip hop and rap, before launching the FattyPillow channel in December 2014 with the aim of entertaining viewers through his own performances. From there he grew into one of the country’s biggest streaming personalities.
FattyPillow’s Streaming Career
FattyPillow primarily streams on Kick (having previously been on Twitch), using YouTube secondarily for clips. In April 2025 he became the most-watched streamer broadcasting in Czech and Slovak on Twitch, with more than 780,000 followers. He is a central figure in the Czech scene alongside creators like CzechCloud.
FattyPillow on Kick
On Kick, FattyPillow streams Just Chatting and variety content in Czech, keeping the personality-driven, performance-heavy style that built his following over more than a decade.
FattyPillow’s Net Worth & Income
How Much Is FattyPillow Worth?
FattyPillow’s net worth is estimated at between $1 million and $5 million (est.), according to various online resources. Because he has not disclosed his finances, that wide range should be treated as an approximation.
How Does FattyPillow Make Money?
His income comes from streaming subscriptions and tips, YouTube, and sponsorships. The exact breakdown is not public.
FattyPillow’s Personal Life
FattyPillow’s Age, Birthday & Zodiac
Born on 15 August 1992, FattyPillow is 33 years old. His birthday makes his star sign Leo.
FattyPillow’s Real Name & Nationality
His real name is Karel Sivák. He is Czech, from Třebíč. He has been candid with his audience about his personal life and health over the years, which is part of what makes his content feel genuine.
Why Is FattyPillow So Popular?
FattyPillow’s popularity comes from authenticity and longevity. Over more than a decade he has built a real connection with a Czech and Slovak audience through original performances, humour and honesty about his own life. In a scene without many creators of his scale, his durability and distinctive personality have made him a genuine institution.
FattyPillow on Social Media
FattyPillow is active on Kick, YouTube and other platforms popular in the Czech-speaking world. His official channels are linked in the profile box above. Explore more creators in our streamers directory or the Czech Republic landing page.
FattyPillow — Frequently Asked Questions
What is FattyPillow’s real name?
His real name is Karel Sivák.
How old is FattyPillow?
He is 33 years old. He was born on 15 August 1992.
What is FattyPillow’s net worth?
It is estimated at between $1 million and $5 million (est.).
What platform does FattyPillow stream on?
He streams primarily on Kick, after years on Twitch.
What is FattyPillow known for?
He is known as one of the most-watched Czech and Slovak streamers.
Where is FattyPillow from?
He is Czech, from Třebíč.