That's some good solid advice from ChaoticMind - we have a local Raspy player and he's pretty much swapped out the core crew for the models listed above.
One place that's really good for stuff like this is Pull My Finger, the Malifaux wiki, which has a tactica page for every model in the game. Rasputina is here:
https://pullmyfinger.wikispaces.com/M2E+Rasputina I use it a lot to help plan purchases and crew choices, and can't recommend it enough.
I suppose it's also traditional to say "Welcome to Malifaux!" at this point too - hope you enjoy it, and good luck with the crew!