Originally Posted by FFN
The likely scenario is they cannot trademark Bombshell, probably due to somebody else holding the trademark (or something very similar) in the same category. A few years ago Hasbro had a female GI Joe figure they were going to name Bombshell. But due to them not being able to secure the trademark for that, they went with Bombstrike.
If somebody has secured a trademark, you can't just stick 'Autobot' or 'Decepticon' in front of the name for your own purposes, if you're wondering.