This Dr. Horrible's Sing-A-Long Blog picha contains
boater, leghorn, panama, panama kofia, baharia, skimmer, kofia majani, kofia ya panama, kiparara, kofia ya majani, fedora, waliona kofia, homburg, stetson, trilby, kofia feli, snap ukingo kofia, and ngata ukingo kofia.
There might also be
cavalier kofia, kofia slouch, kofia ya cavalier, and slouch kofia.