Mr. Bones

Level select from kdent@wpo.hcc.com
at the start menu press R, L, R, R, L, R, L, L, R, L, R, R. Then choose Level Select and you can select all levels & movies.

Level select from Howard Falconer
At the start menu press R, L, R, R, L, R, L, L, R, L, R, R

Silly mr Bones from Howard Falconer
On any of the stages where you can blow body parts off do so, and use different combinations of X, Y, Z to put yourself back together in different ways.