Yoshi is a Deadlock developer.[1]

Yoshi's profile picture

They are known for being the developer at Valve who most often engages with the Deadlock community through the official Discord and forums, as well as posting announcements and patch notes. They are nicknamed after the character Yoshi from Super Mario Bros. Their Discord username is @yoshideadlock.

Yoshi's real identity is currently unknown.

References

  1. Yoshi's profile in the official Deadlock forums