Seen that Chubby Checker signs thru the mail and being that I grew up doing the twist....I sent him a couple LP's asking him to sign.  As you can see....he did sign both of them.  Surprisingly he operates out of my state, on the Eastern end.

https://www.youtube.com/watch?v=pHGXwQeUk7M

https://www.youtube.com/watch?v=tZIQ1XMa41s