The Animated Style is extremely popular due to Bruce Timm's work on the Batman & Superman Animated Series' and most recently, 'The Justice League' series over at Cartoon Network.  This is one of my favorite styles to work in, simple, clean and effective. 
*Latest additions
DCU Marvel
*Atomic Skull (JLU)
 *Ultraman (Silver Age)
Crimson Avenger (JLU)
Superman Blue
Hal Jordan Green Lantern
Earth-2 Superman
Plastic Man
Captain Atom (JLU)
Hush
Psycho Pirate
Batgirl Beyond 
Captain Marvel (JLU)
 Static Shock (JLU)
Ice (JLU)
The Ray (JLU)
 Zatanna (JLU)
Shining Knight (JLU)
Vigilante (JLU)
 Blue Beetle
Guy Gardner
 Huntress (JLU)
Aresia (JLU)
 Eradicator (2005)
 Amazo
Kid Flash
Adam Strange
Captain Marvel Jr./CM3
Vixen (JLA Detroit)
Steel  (JLA Detroit)
Vibe (JLA Detroit)
Zatanna (JLA Detroit)
1939 Batman
Mary Marvel
Roxy Rocket
 Deadman
Red Tornado (Modern)
Zoom
Solomon Grundy
Dr. Destiny
Batman (Justice Lord)
Superman (Justice Lord)
Wonder Woman (Justice Lord)
Green Lantern (Justice Lord)
Martian Manhunter (Justice Lord)
Hawkgirl (Justice Lord)
Firestorm
Aquaman (2004)
Zatanna (1980s)
The Target
The Demon
Tangent Joker
Batgirl
Livewire
Lightray
 Orion
The Flash (Wally West)
Black Canary (Silver Age)
Green Lantern (Silver Age)
Aquaman (Silver Age)
Mr.Terrific (Michael Holt)
Hourman (Rick Tyler)
Wildcat
Huntress (Golden Age)
Mr.Terrific (Golden Age)
Robin (Silver Age) 
Batman (Golden Age)
Captain  Marvel
Red Robin
Scarface & Ventriloquist
Starman (Jack Knight)
Phantom Lady
Mr.Miracle
Big Barda
Lex Luthor
Batwoman (Elseworlds)
Supergirl (Elseworlds)
Wonder Woman (Elseworlds)
Hourman (Golden Age)
Dr.Mid-Nite (Golden Age)
 Martian Manhunter
The Flash (Barry Allen)
 Red Skull
Hellcat
Valkyrie
Black Widow
Iron Fist
Nighthawk
Black Panther
Captain Marvel
Hawkeye
Vision
Nova
Daredevil
Yellowjacket & Wasp

Valiant
Magnus
Solar
Rai