She has no impact on the story and is only a regular character.

He was a regular character for a period of eleven years from 1989 until 2000.

He only started to became a regular character upon Kenny's death in season 6.

She was a regular character in the show for all but the second of its seven seasons.

On 7 April 2010, three new regular characters were announced for series four and five.

She then played a regular character in Class of '74.

The second thing is there are 40-some regular characters on the show.

Apparently, there was a plan to make her a regular character, but that never happened.

The Musician even became a regular character in my writing again.

She later was confirmed to be coming back as a regular character.