I know the man that played cockroach was fired for not cutting his hair in season 4, but couden't bill have brought him back for season 7 since malcolm jamal warner was doing strange things with his hair in season 7 ???

https://www.youtube.com/watch?v=n3eJkf4erbI
https://www.youtube.com/watch?v=n3eJkf4erbI
https://www.youtube.com/watch?v=n3eJkf4erbI