Unlock Sven:
Finish the tour with Killer.

Unlock Afrodite:
Finish the tour with Vinny.

Unlock Harley:
Finish the tour with Afrodite.

Unlock Ice Trey:
Finish the tour with Shawnee.

Unlock Kiku:
Finish the tour with Donna.

Unlock Luther:
Finish the tour with Ice Trey.

Unlock Natasha:
Finish the tour with Summer.

Unlock Tommy:
Finish the tour with Kiku.

Unlock Vinny:
Finish the tour with El Suave.

Unlock Bruce's tennis-ball head:
Finish the tour with Bruce.

Unlock Ice Trey's golf-ball head:
Finish the tour with Ice Trey

Unlock Killer's tennis ball head:
Finish the tour with Killer.

Unlock Luther's tennis-ball head:
Finish the tour with Luther.

Unlock Shawnee's volleyball head:
Finish the tour with Shawnee.

Unlock Sven's tennis ball head:
Finish the tour with Sven.