The Demoman takes a psychedelic trip back to the 70's in what appears to be some interesting future updates for the ever evolutionary game, Team Fortress 2.  A Steam community user has gone GCF browsing since the latest update and found some interesting Character Attributes which you can find via this Steam Thread.

"TF_Wearable_Headgear" "Headgear"
"TF_Unique_Headgear_Scout" "Batter's Helmet"
"TF_Unique_Headgear_Sniper" "Tooth Belt"
"TF_Unique_Headgear_Soldier" "Soldier's Helmet"
"TF_Unique_Headgear_Demoman" "Fro"
"TF_Unique_Headgear_Medic" "Medic's Helmet"
"TF_Unique_Headgear_Pyro" "Pyro's Helmet"
"TF_Unique_Headgear_Heavy" "Football Helmet"
"TF_Unique_Headgear_Engineer" "Mining Helmet"
"TF_Unique_Headgear_Spy" "Spy's Helmet"