Betty White might be considered as well, if she would be a primary in Mary Tyler Moore.
She didn't do 100 episodes of it and MacCleod only did 70 some of McHale's Navy, but he was more of primary actor in that.
If you review the talent of Mary Tyler Moore Show, you find:
3 actors who starred in their own show that was named after their MTM character.
2 actors who starred in shows named after themselves.
1 who was the primary star of another show.
Plus Betty White
How is that for talent?