When does Tobi make his first appearance?

most people will think its when Sasori dies yadda yadda yadda but its not! The REAL 1st appearance of Tobi is during the Nine Tailed fox attack! (AKA Kyubi) no one might have recognized him because he was wearing a different mask. The only one that recognized him was Kyubi (Because hes Madara and Kyubi saw the Sharingan behind his mask) some people might think its actually a guy from the show whos name really is Tobi but hes not, they think so because he never turned off the Sharingan, any non-Uchiha with a Sharingan cant turn it off (Kakashi 4 example) but look at Itachi, he never turned his off since he joined the Akatski and hes an Uchiha! My point is Tobi is madara and his 1st appearance is during Kyubi attack