Harrys is @HarryStyles
Goods usernames for Tumblr would be one that you like.
i dont know to be honest with you i really dont know
All usernames are unique and rare! Make your own cool username that no one else has!
Josh Devine is One Direction's drummer.
One Direction's stylist her name is Lou Teasdale and her baby's name is Lux. So to answer your qusetion One Direction is not technically "related" to anyone IN One Direction, but somebody associated to One Direction. The boys, and the fans all love her! :)
One said PleaseExcuse(Your name)DopeAssSwaggHope that helped ya!
One Direction's official website can be found in the related links below.