I forget who but someone in the past asked me what they should change their name too and I got a huge list of available names but I can't find it :v also I < 3 your name Hannw and idk I pronounce it like Han-oo is that correct? xD
http://forum.toribash.com/tori.php?username=
Here you can check username availability with this if they have been inactive for a few years : D good luck!