Optimus

- He holds your son in his holoform's arms and talks about his time Iacon until your son falls asleep

Ultra Magnus

- He reads mission reports until your daughter falls asleep from boredom

Ratchet

- He feeds your daughter a bottle of warm milk

Bumblebee

- He feeds your daughter warm milk as he quietly hums some of his favorite songs

Arcee

- She gently rocks your daughter in her arms

Smokescreen

- He tells his son about some of the adventures he's been on

Bulkhead

- He walks back and forth until your daughter falls asleep

Wheeljack

- He dims the lights until your son falls asleep