[Grimlock is shocked into silence. His fingers wrap around his communicator. He barely holds himself back from crushing it.]

That bad joke! No funny! Dinobots Grimlock soldiers! Never betray Dinobots!

[Perhaps, in another lifetime, if he had enough worldly wisdom to match his arrogance, and was surrounded by various degrees of cynicism, then if he believed a certain course of action could benefit his Dinobots, or simply preserve their dignity, he might push through with it at any cost. Yet as he is now, Grimlock is too young, too naive.]

You Magnus want scare Grimlock? Tell Boogieman story?