RealmNameForgeA WoW Forever character uses a First Name and a Second Name. The two fields give the character a full identity in the world. The first part can still serve as the short name friends and guildmates use.
What has to be unique?
Blizzard applies uniqueness to the full pair within a region. Two characters can share a first name if their second names differ. A group can use the same second name across several characters if each full name is different.
How can I preserve a familiar name?
Keep the half that carries the identity. Try a place-name, an occupation, or a family word for the other half. Give each alternate pair a complete reading before you add it to the shortlist.
How are the parts checked together?
The game can evaluate both parts together under Blizzard’s naming policy. Separating a restricted word across the two fields may still trigger the filter. If you see a restriction message, try an independently chosen alternate instead of a spelling workaround.
Where does my second name appear?
Blizzard documents a Nameplates setting for your own second name. Turning it off hides it in the world. Your second name still appears in chat.