Rift Butterfly

Rift Butterfly is a type of sentient Rift that is shaped like a butterfly. It represents "liberation".

Season 6
Due to the actions of The Cube, The Loopers got teleported into The In-Between. They get to rub a butterfly and they then teleport back to The Island.

Zero Crisis Finale
When The Zero Point sent out the Reality Wave, Agent Jones turns into a Rift Butterfly to teleport The Looper at the Pure Portals to close them.

Chapter 2: Season 8
A rift butterfly was crushed by The Cube Queen.

Trivia

 * The Zero Point's reality lines during Chapter 2: Season 5 was shaped like a butterfly wing.
 * It may or may not be a creation of The Zero Point.