You have to beat the ghosts that have the NIN, the star then its name. For example, "NIN*Poochy." But u have to beat them 7 seconds faster! After it says u created a ghost, in the lower left corner it will say "YOU MADE A FAST STAFF GHOST!" Or somthing like that.. Unlock 8 fast staff ghosts to unlock baby luigi! 4 to unlock Funky Kong! + They are called FAST staff ghosts!
look on your wii
to unlock any expert staff ghosts in Mario Kart Wii, you gotta beat the normal ghost in the time trials.
Get four fast staff ghosts.
Staff Ghosts Are The Time Trial Ghosts Left By The Game Testers Before The Game Was Released
beat the normal staff by about seven seconds
unlock 8 fast staff ghosts or beat 100 ghosts (your choice)
You have to unlock 32 expert staff time trial ghosts.
It's a bit complicated.You have to unlock 8 staff ghosts.
Beat 8 expert staff ghosts or beat normal staff ghosts by 3 seconds a minute
Look for shortcuts in the course. Be carful though, some staff ghosts can take the short cuts too
You will have two ghosts for that course- your best time, and the new ghost time.
you have to get 7 seconds before the Nintendo ghost data