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And now there's another one.

His name is Richard Castle. He's played by Nathan Fillion and the last time most of us saw him he was making things difficult for Dana Delany on ABC' "Desperate Housewives." But now he is the central figure in another ABC series, "Castle," and he is a writer of mystery stories recruited to help a reluctant police department.

And, Arts and Entertainment Editor Bob Sokolsky notes, that makes him the latest in a line of mentalists, ghost watchers and heroes from other planets aiding detectives in their war n crime.

Sokolsky calls this a far cry from a past era when a Joe Friday, for instance, would be pretty much on his own, aside from one assistant and a dramatic musical theme. But he always got his man and it only took him 30 minutes to accomplish that task. Now it takes a full hour, and sometimes two or three episodes.

Sokolsky points to a few strong points in the series but advises viewers not to expect much originality.