Is Tim introvert or extrovert? I have been told that you have the answer :3
So this is rather tricky because people aren’t black and white and Tim is a bit iffy in this. Overall, I would say he has more of the personality of an introvert. He’s generally much quieter, more polite, more likely to hang back and gather facts instead of launching himself into a situation. I credit that from his lonely childhood and learning to depend on himself without a lot of people around. That being said, once he’s comfortable around people he can be much more outgoing which is a common introvert trait. Also, Tim had this perception about what Robin should be, we see him throughout his solo practicing quips in the mirror, reminding himself to get out there and faking a good deal of his confidence. So there are times when Tim will take charge (such as with Young Justice) or act like he knows what he’s doing (Joker’s Wild) when, really, he’s terrified of failure and is desperately trying to live up to this grand legacy. Tim, more than all the others, had such admiration and care for the Robin name and so he pushed his natural quietness to the side in order to be the best Robin ever. He becomes more open as time passes but is still remains introspective and subdued.
Hope this helps!