In Sergei Prokofiev's Peter and the Wolf,?!
Question: What instrument(s) represent the wolf?
Answers: What instrument(s) represent the wolf?
The horn section (i.e. French horns).
http://www.philtulga.com/Peter.html
and
http://library.thinkquest.org/17321/medi...
Brass
Donna has it right ... the Wolf is 4 French horns