All the personalities, you have mentioned in the list are performing well in the pattimandram.
The style of Dindigul Lioni is entirely different in pattimandram. He conducts the session very lively. he will attract the audiences by his valuable speech with comedy and mono acting. He also singing so many old songs during his session.
The style of Salaman Pappaiya is very nice and having good moral and emotional speech in his session. He will give some live examples during the sppech in pattimandram.Many peoples like and fan of the above said person.
Thenkachi co Swaminathan always delivering the valuable speech in separate style which is applicable to him. Visu is not so good for conducting pattimandram. But he is a right person to conduct the interactive sessins like Makkal Arangam,Arrattai Arangam etc.