New Obi Wan type Hood:
https://www.brickowl.com/catalog/lego-da...-hat-59276
Goblin bald Ears
https://www.brickowl.com/catalog/lego-da...2013-13008
Bald Hair with long ears
https://www.bricklink.com/v2/catalog/cat...5#T=C&C=34
Banners (probably best blank version so it can be customized)
https://www.brickowl.com/catalog/lego-da...rior-61747
https://www.brickowl.com/catalog/lego-da...rior-61627
Double Bun
https://www.brickowl.com/catalog/lego-mi...hair-65579
Single ponytail bald short
https://www.brickowl.com/catalog/lego-mi...hole-28778
Ponytail new:
https://www.brickowl.com/catalog/lego-mi...-no1-13775
https://www.bricklink.com/v2/catalog/cat...4#T=C&C=88
elf type hair?
28709 Mini Doll Wig, NO. 6(in LDD)
Short elf hair
https://www.bricklink.com/v2/catalog/cat...1#T=C&C=85
Various female hairpeices:
https://www.bricklink.com/v2/catalog/cat...=18858#T=C
https://www.bricklink.com/v2/catalog/cat...02#T=C&C=1
https://www.brickowl.com/catalog/lego-mi...hair-28432
https://www.bricklink.com/v2/catalog/cat...01#T=C&C=2
https://www.bricklink.com/v2/catalog/cat...#T=C&C=103
https://www.bricklink.com/v2/catalog/cat...=36037#T=C
https://www.bricklink.com/v2/catalog/cat...=35494#T=C
https://www.bricklink.com/v2/catalog/cat...=37697#T=C
Egghead
https://www.bricklink.com/v2/catalog/cat...1#T=C&C=90
Ocean King hair
https://www.bricklink.com/v2/catalog/cat...01#T=C&C=1
Plant Harry potter (would be good as a general blank piece)
https://www.bricklink.com/v2/catalog/cat...#T=C&C=150
Vine bendy
https://www.bricklink.com/v2/catalog/cat...=16981#T=C
Thorns Bendy
https://www.bricklink.com/catalogItemPic.asp?P=73828
Crossguard sword
https://www.bricklink.com/catalogItemPic.asp?P=66964
Short curved blade
https://www.bricklink.com/v2/catalog/cat...37341a#T=C
Sickle
https://www.bricklink.com/catalogItemPic.asp?P=73766c
Nunchucks
https://www.bricklink.com/catalogItemPic.asp?P=73766b
Katana with energy
https://www.bricklink.com/catalogItemPic.asp?P=73766d
Small Animal Arms
https://www.bricklink.com/catalogItemPic.asp?P=90190
https://www.bricklink.com/catalogItemPic.asp?P=90203
These Energy parts:
https://www.bricklink.com/v2/catalog/cat...#T=I&C=108
Energy Burst Clip:
https://www.bricklink.com/v2/catalog/cat...#T=C&C=115
Green Goblin Hat
https://www.bricklink.com/v2/catalog/cat...4#T=C&C=34
Hood cowl with ears:
https://www.bricklink.com/v2/catalog/cat...3#T=C&C=71
For further looking there are a lot of interesting hairs and hats not existing yet:
https://www.bricklink.com/catalogList.as...String=913
https://www.bricklink.com/catalogList.as...String=847
https://www.bricklink.com/catalogList.as...tString=16
Also headgear accessories:
https://www.bricklink.com/catalogList.as...String=636
https://www.brickowl.com/catalog/lego-da...-hat-59276
Goblin bald Ears
https://www.brickowl.com/catalog/lego-da...2013-13008
Bald Hair with long ears
https://www.bricklink.com/v2/catalog/cat...5#T=C&C=34
Banners (probably best blank version so it can be customized)
https://www.brickowl.com/catalog/lego-da...rior-61747
https://www.brickowl.com/catalog/lego-da...rior-61627
Double Bun
https://www.brickowl.com/catalog/lego-mi...hair-65579
Single ponytail bald short
https://www.brickowl.com/catalog/lego-mi...hole-28778
Ponytail new:
https://www.brickowl.com/catalog/lego-mi...-no1-13775
https://www.bricklink.com/v2/catalog/cat...4#T=C&C=88
elf type hair?
28709 Mini Doll Wig, NO. 6(in LDD)
Short elf hair
https://www.bricklink.com/v2/catalog/cat...1#T=C&C=85
Various female hairpeices:
https://www.bricklink.com/v2/catalog/cat...=18858#T=C
https://www.bricklink.com/v2/catalog/cat...02#T=C&C=1
https://www.brickowl.com/catalog/lego-mi...hair-28432
https://www.bricklink.com/v2/catalog/cat...01#T=C&C=2
https://www.bricklink.com/v2/catalog/cat...#T=C&C=103
https://www.bricklink.com/v2/catalog/cat...=36037#T=C
https://www.bricklink.com/v2/catalog/cat...=35494#T=C
https://www.bricklink.com/v2/catalog/cat...=37697#T=C
Egghead
https://www.bricklink.com/v2/catalog/cat...1#T=C&C=90
Ocean King hair
https://www.bricklink.com/v2/catalog/cat...01#T=C&C=1
Plant Harry potter (would be good as a general blank piece)
https://www.bricklink.com/v2/catalog/cat...#T=C&C=150
Vine bendy
https://www.bricklink.com/v2/catalog/cat...=16981#T=C
Thorns Bendy
https://www.bricklink.com/catalogItemPic.asp?P=73828
Crossguard sword
https://www.bricklink.com/catalogItemPic.asp?P=66964
Short curved blade
https://www.bricklink.com/v2/catalog/cat...37341a#T=C
Sickle
https://www.bricklink.com/catalogItemPic.asp?P=73766c
Nunchucks
https://www.bricklink.com/catalogItemPic.asp?P=73766b
Katana with energy
https://www.bricklink.com/catalogItemPic.asp?P=73766d
Small Animal Arms
https://www.bricklink.com/catalogItemPic.asp?P=90190
https://www.bricklink.com/catalogItemPic.asp?P=90203
These Energy parts:
https://www.bricklink.com/v2/catalog/cat...#T=I&C=108
Energy Burst Clip:
https://www.bricklink.com/v2/catalog/cat...#T=C&C=115
Green Goblin Hat
https://www.bricklink.com/v2/catalog/cat...4#T=C&C=34
Hood cowl with ears:
https://www.bricklink.com/v2/catalog/cat...3#T=C&C=71
For further looking there are a lot of interesting hairs and hats not existing yet:
https://www.bricklink.com/catalogList.as...String=913
https://www.bricklink.com/catalogList.as...String=847
https://www.bricklink.com/catalogList.as...tString=16
Also headgear accessories:
https://www.bricklink.com/catalogList.as...String=636