She soon took on the name "Lia" as well as a more confident, yet self-centered, personality.

He appears to be a confident and reliable personality with often humorous remarks.

"He's got a confident personality and he loves competition."

Alice, following her brief reading experience, could not recover her formerly confident personality.

They know her as a young woman with a confident and outgoing personality and friendly disposition.

He has a different personality from the comic incarnation, confident and comical.

A confident and aloof personality, she deems her motives for evil as just something she happened to pick up.

Jinsuke has a very calm yet confident personality.

We can say that someone has a "strong character" meaning a strong, confident personality.

He is especially handsome, but he's got a confident personality, and doesn't have a problem about it.