Artificial Human/ Robot Characters

I was wondering if I could get a list of like artificial human and robot characters in the public domain. Thanks!

Robots:
Bozo the Iron Man
Mekano
Tiny Terror
Crag
Bron

Artificial Humans:
NoMan (possibly public domain, this one is somewhat contentious)
Yankee Doodle Jones
http://pdsh.wikia.com/wiki/Dynamic_Man_(Chesler)
http://pdsh.wikia.com/wiki/Dynamic_Boy_(2) (brother of Bert in his second (non-artificial) origin, but could be revamped to be artificial also)
White Streak (a particular favourite of mine, as he's an ancient android)
Shape
http://en.wikipedia.org/wiki/Human_Torch_(android) (very uncertain, Marvel Comics #1 seems not to have been renewed, but you know Marvel would almost certainly bring the law into play regardless, and it's possible that creator Carl Burgos has some form of estate over the character)

Those are the ones I can think of at the moment.

EDIT: Hrm, seems URLs with brackets aren't liked by the forum's linking system. Oh well, you can see the URL here anyway.

Cosmic Custodian (Earth-i) on the PDSH wiki is an artificial life-form. The forum won't let me link to the page directly, but if you just type in (or copy-paste) the name into the search engine.

~~Yzz

The Iron Skull was possibly the first "cyborg" character in comics. He fought a number of robotic minions, including four legged automatons with teeth called "Spider-Mechs." There were tons of robotic minions in comics, used by villains like The Claw.

In the PD movie serial "The Undersea Kingdom" we were introduced to robotic minions called "Volkites" and in the PD Superman serial "The Mechanical Monsters" the titular monsters are 10-15 foot robots with super strength, flight and flamethrowers for eyes. While Superman is not PD, the mechanical monsters are.

Moxon's robot, from the Ambrose Bierce short story "Moxon's Master"
Tik-Tok, from the L. Frank Baum "Oz" books
The eponymous android from The Steam Man of the Prairies (circa 1868)
and I think Frank Reade might have built a steam man or clockwork type of robot as well.

Also The Shape.