Originally Posted by The Batlord

More or less that, though considering they're Batman characters it really isn't surprising that they'd still be associated with him, along with all three Batgirls.

But Dick has led the Teen Titans, and has had his own comic ever since the late nineties; Jason was beaten to death by the Joker around the late eighties by the Joker, but then came back years later as a crazed vigilante who now has his own comic, along with Starfire from the Teen Titans and Arsenal, who was Green Arrows old sidekick; and I don't know much about Tim before the New 52 relaunch a few years ago, but he's now leading the Teen Titans himself.

So they've been given far more autonomy than pretty much any other sidekicks I can think of, barring Wally West, who was the Flash's sidekick until his death, after which Wally took his place.