Simone Luna Louise Söderlund Giertz ( /jɛtʃ/ YETCH; Swedish: [jæʈʂ] ; born 1 November 1990) [7] is a Swedish inventor , maker , robotics enthusiast, TV host, and professional YouTuber . [9] She has also previously worked in MMA sports journalism, and as an editor for Sweden's official website . [2]


Giertz has named the Disney cartoon character Gyro Gearloose as one of her earliest inspirations. She studied engineering physics in college but dropped out after a year, [10] going on to study at Hyper Island in Stockholm, and took an interest in programming and robotics. Giertz's interest in electronics began in 2013; she made a toothbrush helmet for a children's show pilot episode on electronics, which was uploaded to YouTube after not being picked up, starting her YouTube career. [10]

Giertz brands herself as "the queen of shitty robots " and runs a YouTube channel where she employs deadpan humor to demonstrate mechanical robots of her own creation to automate everyday tasks; despite working from a purely mechanical standpoint, they often fall short of practical usefulness, for comic effect. Giertz's creations have included an alarm clock that slaps the user, [11] a lipstick applier, [12] and one that shampoos the user's hair. [10] When building her robots, Giertz does not aim to make something useful, instead coming up with excessive solutions to potentially automatable situations. [13]

In 2016, Giertz joined , collaborating with Adam Savage on her first project, the Popcorn Feeding Helmet. [4] In 2017, she hosted the comedy TV show Manick with Nisse Hallberg on Swedish TV6 . The basic premise of the show is that the hosts invent funny creative solutions to everyday problems.

Family and personal life

As of July 2016, Giertz lives in San Francisco. [14]

The Giertz family surname is of Low German origin. She is the daughter of Caroline Giertz, novelist and TV host, who Giertz describes as a "ghostbuster" due to her mother's work on paranormal reality TV show Det Okända . Giertz is a descendant of Ericsson founder Lars Magnus Ericsson . [15] Lutheran theologian and bishop Bo Giertz was her great-great-uncle.

At the age of 16, Giertz spent a year in China as an exchange student. She stayed in Hefei , where she learned basic Mandarin . During her stay in China she also made a cameo appearance on a Chinese sitcom called Huan Xi Long Xia Dang ( Chinese : 欢喜龙虾档 , the Happy Lobster Restaurant), where she played Catherine, a Canadian girl who married a Chinese man. [16]

Giertz also briefly attended the Swedish Royal Institute of Technology (KTH) , studying Physics.

In 2018 she was diagnosed with a benign brain tumor. [19]