Use a text editor such as notepad to edit the "UTCustomChar.ini" file in the "/My Games/Unreal Tournament 3/UTGame/Config/" directory. Add the following line at the end of the section with the "Parts=(Part=PART_Head," entry:

Parts=(Part=PART_Head, ObjectName="CH_Corrupt_Male.Mesh. SK_CH_Corrupt_Male_Head05", PartID="E",FamilyID="LIAM")

Then add the following line at the end of the section with the "Characters=(CharName=," entry:

Characters=(CharName="NewCorrupt",Description="", CharID="N",bLocked="false",Faction="Liandri", PreviewImageMarkup="", CharData=(FamilyID="LIAM",HeadID="E",FacemaskID="A",TorsoID="A",ShoPadID="A", bHasLeftShoPad=True, bHasRightShoPad=True,ArmsID="A",ThighsID="A",BootsID="A"))