This is a list of the names the characters have been called by other characters.
Joey:
Kicky - by Chandler (The one with the boobies)
Pizon - by Chandler (The one with Ross' new girlfriend)
Evil Twin - by Ross (The one after the Superbowl, Part 1)
Hans Ramoray - by Ross (The one after the Superbowl, Part 1)
Joseph Stalin - by Chandler (The one with the fake Monica)
Freakshow - by Chandler (The one with the Chicken Pox)
Holden McGroin - by Himself (The one with the fake Monica)
Nick Finn - by Lydia (The one with the birth)
Weird Girl - by Lizzie (The one with the thumb)
Pheebs -by everyone (in every episode)
Mother Kisser - by Chandler (The one with Mrs Bing)
Monkey Boy - by Rachel (The one with all the Poker)
Gel Boy - by Rachel (The one with Phoebe's Dad)
Amish Boy - by Chandler (The one with the List)
Wethead - by Dr Green (The one with the Racing Car Bed)
Mr Bigshot - by Dr Green (The one with the Racing Car Bed)
Bing-a-ling - by Janice (The one with the Jam)
Monana - by Herself (The one with the fake Monica)
Joan Collins - by Herself (The one with the ick factor)