From Kerbal Space Program Wiki
Walt Kerman is the KSP representative of Public Relations. He is the only Kerbal depicted as having stubble.
|“||Walt Kerman is the spokesperson for the Space Program. He wears a hazmat suit. Which isn't strictly required for his job, but it seems appropriate for someone working in such a toxic environment.||”|
Whole-body 3D model published by shacknews.com
- In the video "A True History of Flight: Part 2!", it is said that Walt Kerman has a mortal fear of Giant Robotic Death Spiders From Duna. Later, it said that he wrote informative pamphlets about the dangers of the Robotic Spiders and tips for Kerbals to protect themselves from their invasions. The credibility of this is slim to none.
- "Kerbal Space Program introducing Administration Building to Career Mode"shacknews.com 2014-9-19