Highfire

Highfire is a Transformer from the 2019 IDW portion of the Generation 1 continuity family.

The first one who makes an Avengers: Infinity War joke gets it.

Highfire was a friend of Cyclonus before meeting her untimely demise. She probably died by getting disintegrated.

Fiction

2019 IDW continuity

A friend of Cyclonus, Highfire was killed during the War of the Threefold Spark.The Cracks Beneath Your Feet Part One During peacetime, Cyclonus developed a coping mechanism by conversing with the hallucinatory "ghosts" of Highfire, Gridlock, Grudge, and Provoke. The Cracks Beneath Your Feet Part Four

While Cyclonus was taking vigil at Memorial Crater, the ghost of Highfire snapped at Gridlock when the latter insinuated that Cyclonus was not right in the head. The Cracks Beneath Your Feet Part One

The World In Your Eyes Part FourThe Change In Your Nature Part FiveRise of the Decepticons: We Have Deceived YouWar World: AwakeningsWar World: Hunt