[Decepticon Bumblebee]
[Past Bumblebee(Transformers Animated)]
[Future Bumblebee(Robots in disguise)]
[Present Bumblebee(Prime)]

Decepticon Bumblebee: why is it, when something happens, it is always you three?

Future Bumblebee: believe me, Decepticon Bee, I been asking myself that for 6 years

Past Bumblebee the prankster, the youngest of the group

Present Bumblebee the quiet one, but doesn't take anybody shit, and scary when he's pissed off, and the middle child of the group

Future Bumblebee the leader of his own team and the older brother of the Bumblebees.

Decepticon Bumblebee the tired father of the group.