Board Thread:Episodic and Issue Discussion/@comment-47881-20130216162357/@comment-1038387-20130216215344

Ratrangerm wrote: Regarding the "Slade" reference, yes, we know Deathstorke's real name is Slade Wilson, but I'm sure the bit was dropped in as a nod to the recent Teen Titans TV series.

That's my guess too. Same for "birdarang".