Character nicknames can be a minimum of 2 characters and a maximum of 14 characters. 

For detailed rules on nicknames, see the following. 

■ Nickname Creation Rules
1. Spaces and special characters are not allowed. 
2. You can enter up to 8 Korean characters and 14 English characters. 
3. You cannot create the same nickname. 
4. You cannot create a nickname that contains inappropriate words.

Nicknames that contain inappropriate words such as profanity are subject to change at any time, and the account may get restricted.