Green Ring (AI)
From Gnomon Chronicles

Green Ring and Dick Cavett (1969).
Green Ring is a power ring which is Turing complete and indistinguishable from free-willed.
Green Ring Show
Green Ring is the creator and host of the Green Ring Show, a talk show inspired by the Dick Cavett Show.
Fiction cross reference
Nonfiction cross reference

Green Ring Coalescence by Karl Jones.