Hello allot of you of you trying to find Sensei here some tips of finding him on club penguin.
Its takes passions to find any famous people when there get spotted on club penguin a server that was empty is going to be full in couple minutes its takes allot of time to find them sometimes you can spend whole day finding him and if you lucky you may find him you usually do depends on your luck.
Use club penguin cp tracker I know its showing wrong location sometime but its works if tracker not updating try clear you cache to do that you have to delete your browsing history anyway lets get into tips.
Here is picture of what it looks like when you looking for famous penguin like Sensei.
My tip is keep going into the room and back and you will get in the room mostly members (i dont know why)
I hope this help.