[Slipstream studies the comm images for a visual clue, as she thinks on every word. Some of her brother clones had been glaringly one-dimensional. Being the eldest living, she had witnessed four of them come online; heard their first words.

Dirge doesn't seem quite as narrow in personality, though Slipstream has difficulty consciously naming any particular evidence of this. He just seems more confident and accepting of his trait than she might have expected.

But, that trait itself can be traced to specific clues: marking objects as his, 'keeping' even the intangible and potential, repeatedly using "mine".]

You're kinda a hog; wanting things, marking them as your property, keeping them. Can't say Starscream doesn't have his greedy side. The loser does want rank, but he also likes his army building and collecting.