Starscream (Transformers Aerialbots)

Starscream is a former antagonist, current leader of the Decepticons, air commander and ally of the Aerialbots.

Bio
Starscream is a second in command of the Decepticons and was often beaten up by megatron for failures. When General grievous was undergoing transformation in a chrysalis the Decepticons including Starscream were battling the autobots south of the sith temple that is defended by Grievous's forces. After sending the autobots retreating the Decepticons then attack the sith base defending the sith temple that was transforming Grievous. The forces of the sith managed to hold them off until Grievous emerges from the chrysalis and became Darth Grievous and finally used his demonic powers to send the Decepticons in full retreat.

Forming an alliance with the Aerialbots
After Darth Grievous raised an army of undead, battle droids, demons and Sith Lords Darth Grievous leads an attack on the Decepticons for payback on trying to stop Darth Grievous's transformation into a demon Sith Lord. Darth grievous reveals his demonic powers and the mastery of the dark side by pulling Decepticon flyers down from the sky and then cut them apart with his lightsabers, he used force crush to crush the Sparks of the constructicons, combaticons, stunticons and soundwave while using the dark blast shots to blast Megatron to bits. Starscream ordered Thundercracker and Skywarp to escape the Decepticon base as it now belongs to Darth Grievous and the demon Sith Lord has turned his Decepticon friends into zombies.

After the Aerialbots and the Jedi were attacked Starscream and his two minions proposed an alliance with the Aerialbots in order to save the transformers from extinction. The autobots agreed and together the Aerialbots and the seeker trio went out to help save the galaxy from being transformed into a monster universe.

Abilities
Starscream is equipped with two swords that goes under his wings which both blades can be used to fight his enemies. His blades are made of a special material that can resist the lightsabers of the Sith Lords. Starscream transforms into a cybertronic jet similar to the one in transformers armada and can fly as fast as Silverboltand his Aerialbots.

Personality and traits
Starscream was just following orders from megatron but when the threat of Darth Grievous was real and megatron and most of the cons got exterminated Starscream lead his two minions Skywarp and thundercracker to propose and alliance with the Aerialbots in which they agreed because both autobots and cons needed everyone to fight off the evil menace.