First of all ... Mike 3?

Second ... yes, there are a number of ways to go about it.

The simplest is to parent the wolf to Mike's head and then make all the wolf's body parts invisible, save for its ears.

More complex methods involve the grouping tool, third-party modeling software, and/or hacking the wolf's CR2/CRZ so it only uses the ears. bloodsong did something similar with her tail pack freebie.