User blog comment:Thailog/Ep. 201 "Happy New Year!" discussion/@comment-68.180.51.168-20120428213237/@comment-65.186.83.113-20120428214312

What are you confused about? Dick grew up and became Nightwing, and Batman later adopted Tim Drake who became robin (Originally tim is the third robin but some media leave Jason out completely so we don't really know if Tim is the second or third robin in this series yet)