We're featuring the skullkid on the front page today in honor of Chance Banning, aka korded, who passed away last month in an accident at age 27.
Chance would have been around 16 when he uploaded the skullkid, which went on to be a huge hit in the early years of the Portal. His last upload was the Aidan's Wonder demo in 2010, a really promising game that unfortunately won't be finished.
I'm never very good at making these posts so I'll just leave you with this video that speaks better than I can: