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.
