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Android Expert
I started using this tool when I was on the warp, it works great, especially if you have multiple roms. Whats nice is you don't have to go into recovery to backup. It works with CWM and TWRP. It also has a great Nandroid Manger that you can get that also works extremely well......
https://play.google.com/store/apps/details?id=com.h3r3t1c.onnandbup

https://play.google.com/store/apps/details?id=com.h3r3t1c.onnandbup