Michael "Mikey" Langdon

• 7
• Still a baby
• Besties with Hedwig

Showed up: December 2018

Mikhael

• 11
• Very end of E10
• Besties with Hedwig

Showed up: December 2018

Nicodemus

• 14
• New timeline

Showed up: April 25, 2021

Michael

• 16-18
• From the flashbacks in E6

Showed up: December 2018

Langdon

• Early 20s
• From shortly before the bombs
• Dating Barry

Showed up: December 2018

Fern

• 20-something
• From the start of the show
• Dating Misty

Showed up: December 2018

Note: Age is complicated, but these seem like the rough mental equivalent of them, even though they're not that far apart chronologically. We'll try to refine this better later.

Showed up: December 6, 2018