Laura Les (born 1994 or 1995), previously known under the moniker osno1, is an American music producer, singer and songwriter best known as one half of experimental electronic duo 100 gecs, alongside Dylan Brady.

[2] While attending Columbia College[3] in Chicago, where she earned a degree in acoustic engineering,[4] she began releasing music online under the moniker osno1.

In 2016, Les released the EP, hello kitty skates to the fuckin CEMETARY, which she describes as "a bunch of songs about dead bodies.

Big Summer Jams 2018 received positive reviews from music critics, praised as "debauched digital celebrations"[7] by Vice and "a blender of fun” by Tiny Mix Tapes.

[9] In March 2021, Les officially released her solo single "Haunted" following a positive reception from her fanbase after it was previously played during a virtual DJ set in 2020.