1. 「とも」
I am not sure that we use「とも」as exactly the end of sentence. but If i use 「とも」 as the end of a sentence, それは__"とも"言う。 this 「とも」meaning is same as "as well" in English. If we typed 「とも」 as 「と思う」, it is wrong typing. we do not use like that
2. 「なんつって」
Almost same as "Just joking"