- Epileptic Trees: Her son at the end of the series is Tim's due to his black hair. Heck, some even speculate it might be Damian's!
- Steph mom's mentioned that a girl with superpowers and a guy calling himself 'Dr. Mid-Nite' saved her life from Black Mercy. It's a well-known running joke in fandom that Tim resembles Dr. Midnite's in his new Red Robin costume (Steph even calls him out on it in canon). So... was 'Dr. Mid-Nite' actually Tim instead, saving her life discreetly, or was it actually Doctor Mid-Nite himself? Given Supergirl's superspeed, she could have gotten to either one of them, but given Steph and Tim's relationship, and the fact neither Kara or Steph have ever really interacted with the real doc, its a good chance it was Tim.
- Fanon Discontinuity: The ending in the final, 24th issue practically encourages this treatment for the following reboot Batgirl series featuring Barbara as Batgirl.
"It's only the end if you want it to be."
- Harsher in Hindsight: A letter from the editor in one of the early issues says that, following the announcement of a new Batgirl title for 2009, DC may have stoked rumors that Barbara was somehow going to become Batgirl again, but they never really gave it serious thought since Babs was way more interesting as Oracle, and they'd rather use someone new. Two years later... On top of that, when Steph "died", she said that she was part of the Robin legacy and no one could ever take that away. Well, apparently, DC is "nobody".
- Les Yay:
Supergirl: "Aren't you gonna...you know..."
- When one of Barbara Gordon's male students sends a text message to Jen, the girl siting next to him in class, commenting that Barbara is hot, Jen clutches her phone to her chest and says "Yeah, she is."
- Apparently, Supergirl watches those types of college movies. You know, the ones with pillow fight and Slumber Parties, and she is just dying to reenact them with Stephanie. Later, after Dracula appears, Supergirl rips off her top to reveal her costume beneath it.
Batgirl: "Not unless you wanna see my bra."
Supergirl: "Does it have a bat on it?"
- It goes way further than that depending on how much between-the-lines reading you want to do. At the end of the issue, as Kara's saying she needs to go, Steph playfully asks "Please don't leave." The next panel is tagged "a few minutes later," and features Steph coming downstairs, her hair slightly more messed. When her mom asks her if she and her friend had a good time, Steph grins and says "the best" as we see Kara's exiting blur through the kitchen window. How'd they spend those "few minutes," I wonder?
- After Wendy Harris begins to assist Oracle and Batgirl as Proxy, she begins to hallucinate seeing her dead brother Marvin, who tries to coach her through her physical and mental recuperation. Both Wendy and "Marvin" are pretty clear that this is a manifestation of Wendy's subconcious, not some sort of ghost or hologram, so when Marvin comments on how hot Barbara is Wendy can not help but wonder at what that says about herself and her mind.
- Replacement Scrappy: While this largely faded over time, her replacing Cass was not well-received at first, since Cass had already ate it due to Adam Beechen royally screwing up her character. The sole good thing to come from that was that Bruce Wayne adopted her... Then apparently died in Final Crisis, and Cass was Put on a Bus. While Stephanie is popular among Cassandra Cain fans, the way she was replaced did not endear her to many of Cass' fans.
- Win the Crowd: Started off strong and kept going from there. The trades are still often bought at stores and fans are still itching for Steph to return.