Nice List:
Nu52 Likes: Wonder Woman, Black Canary, Barbara Gordon, Lana Lang, Saturn Girl, Midnighter, Hawk and Dove
HubCityQuestion Likes: Cassandra Cain, Jessica Cruz, Lois Lane, Lady Shiva, and most of all, The Question.
PrincessAmethyst Likes: Donna Troy, Manhunter, Princess Amethyst (duh hehe), and pretty much any strong female DC hero or villain!!!
seitan Likes: Two-Face, Scarecrow, Reverse-Flash, but favorite of all Red Hood and Arkham Knight
CaptThunder001 Likes: Booster Gold, the Legion of Superheroes (retroboot preferred, but really any incarnation), the Teen Titans, the JSA, the Super Sons, Green Lantern (any version), the Flash (any version), and, most obviously, the World’s Mightiest Mortal himself, Captain Marvel/Shazam!
NovellPaladin Likes: Supergirl (especially Bombshell and Red Lantern), Bombshell Lois Lane, Raven, Wonder Woman, She-Ra, Poison Ivy, and Harley Quinn, also Batwoman, and Super Sons.
Basically what Princess Amethyst said.
CynicalPink Likes: Anything Batfamily/Batverse, or YJ-related (particularly Jaime). VERY behind on comics, so if doing a non-YJ gift, please keep generic!
Reaganfan78 Likes: Penguin, Stargirl, Creeper, Donna Troy, Superman, Batman, Shazam, Lois Lane, Tim Drake, Green Arrow and Green Lantern
serenap95 Likes: Constantine, Riddler, Zatanna, Nightwing, Legends of Tomorrow, Poison Ivy, and Batgirl.