I have a couple of picture-based suggestions that you could check out - I'm just throwing out a bunch of NPCs that I'd be interested to see, so feel free to cherry-pick from them.

[hider=Familiar-Controlling Puppeteer no. 1 (previous victims?)][img=http://fc07.deviantart.net/fs42/f/2009/091/4/1/41a1f81ef407b49c7019e5224a9a6329.jpg][/hider]

[hider=Familiar-Controlling Puppeteer no. 2][img=http://fc07.deviantart.net/fs44/f/2009/091/7/e/7ea6b44053d154e2102ad967ff859887.jpg][/img][/hider]

[hider=Bestial Puppeteer][img=http://fc03.deviantart.net/fs29/f/2009/240/d/1/Demon____by_randis.jpg][/hider]

[hider=Monarch (Puppeteer able to create and see through the eyes of her butterflies)][img=http://th07.deviantart.net/fs71/PRE/i/2013/277/8/5/by_the_wind_by_elenadudina-d6kav40.jpg][/hider]

[hider=Stingray (shapeshifting into predominantly water-based body that retains a central nervous system)][img=http://images2.wikia.nocookie.net/__cb20110819221536/duelmasters/images/c/cf/Aqua_Sniper_Gamespy_logo.jpg][/hider]

[hider=Clockblocker (temporarily freezing inanimate objects through physical contact)][img=http://th07.deviantart.net/fs70/PRE/f/2013/139/3/a/you_can__not__replay_by_yuumei-d65tbo1.jpg][/hider]

[hider=Justicar (form hard-light weaponry & ammunition)][img=http://3.bp.blogspot.com/-1wQqBbD1pLA/UL-0R-8v9fI/AAAAAAAAKyU/ACytOEFAqwk/s1600/Arclight_Varus_splash.jpg][/hider]

[hider=Flame Swordsman][img=http://fc09.deviantart.net/fs70/i/2010/338/5/5/reima___revision_by_chaosringen-d343awq.jpg][/hider]