David dnm Cossio is an american professional player who plays at the first position.

He first appeared on the pro scene at the age of 15, participating in the open qualification for The International 2018, but after finishing in a disappointing place, he decided to train for a few more years. In 2020, the player returned as a member of the TEAM TEAM. He later joined S A D B O Y S and placed third at the BTS Pro SE 4 A. The following year, he joined 5ManMidas, but did not achieve much. In 2021, as part of The Cut, he took first place at ESL One DPC NA Winter: Division II. And in 2022 under the banners of 5RATFORCESTAFF tried to qualify for The International 2022 and took first place at BTS Pro SE12 A.

In 2023, he joined Team DogChamp and competed at DPC NA 2023 Tour 3: Division I, finishing in sixth place. And in 2024, 5RATPHYLACTERY tried to qualify for BetBoom Dacha Dubai 2024 and DreamLeague Season 22, but failed.