User blog comment:Thailog/Ep. 207 "Depths" discussion/@comment-71.126.79.212-20120610151904/@comment-4803933-20120610192620

That would go against every other Dick Grayson historical continuity if he became Nightwing at 14/15 years old. It tends to be college or later by the time he gives up the mantle of the Boy Wonder.