compatibility between motorola models

I have a pair of Motorola TLKR T8 radios and a pair of Motorola T9580 radios. Forgive me if this is a dumb question but can the two different models communicate with each other? If so, how do I link them up?

On the same theme, I have an Icom V8. Can the V8 also communicate with either of the two Motorola models?