Well, Blender has Suzanne, Renderman has the teapot, others have the Stanford's happy Buddha...
We have Aarushi [*].
Modeled by me upon the makehuman standard female mesh, she will be used for all our rendering experiments.
Best,
Manuel
[*] Aarushi is an indian name. It mean: "first rays [of sun]". A perfect name for a subject of raytracing rendering. Thanks to Abhishek Gupta to suggest me the name.