Icefrog is a Valve developer. He is best known for his work as the lead developer of DotA-Allstars and consequently Dota 2.

Icefrog's name on the Six Heroes update post on Steam

Icefrog was reportedly involved with early development of Neon Prime and Deadlock.[1]

In a January 2024 interview, Deadlock artist Vasili Zorin said that Icefrog was working in the game at the time.[2]

Icefrog's name was noticed by players on the Six Heroes update Steam post, confirming his involvement on Deadlock.

References