(Somebody quote me here so Amoebas can see this)
You do realize Earth Man was introduced in the 1976 as Absorbancy Boy, don't you?
And there is a real good chance Glorith is the Glorith we all know and love from the FYG. (Don't give me they look different. Mysa looks different now than when she first appeared. Magic can do that in the 31st century)
As for Chemical Kid, he's a p!$$-poor knockoff of Chemical King.
That's 3-5 who are either were created in the past, or have connections to another character. Color me unimpressed. By either you or Levitz.
And Dragonwing is basically Fire Lad as a Chinese girl. So it's more like 4-5 unoriginal characters.