Tella

Tella is the 1st member of Under, and was Billy's Radioman during their Mercenary days.

Appearance
Tella is a man of average height with bright hair that splits in the middle. He wears a mask that cover every part of his face below his eyes. He has a pair of speakers that hovers around him.

Personality
Tella is loyal to Billy, and willingly follows his orders, giving their past of working for the same organization.

History
He was once a member of an organization called "Horizon Balance", a mercenary group that was dispatched to locate an ancient super weapon called Disc, his job meant to locate enemy location, though in actuality, Horizon Balance sought to steal it to prevent the weapon from falling into the wrong hands. However, a miscalculation on his part soon lead to a group of tanks lead by Creed to roll up to where their camp was stationed, containing all of their injured. Just before he could do anything, God awakened Untell within him, and unable to say or do anything, could watch in horror as it was blown up.

Union Arc
In the 101st loop, Tella, as a member of Horizon Balance, was once again tasked with looking over enemy placement, and one night, look after the injured. But when a group of tanks lead by Creed to roll up to where their camp was stationed, God awakened Untell and was unable to warn them. However, The Union manages to step in and protect the injured from harm. Billy later finds him about to suffocate due to his ability and gets him to tell him what happened by reading his heartbeat. When Billy confronts the Union about their intentions for Disc, a fight breaks out, but is stopped when Tella uses his Untell to prevent a bullet from hitting Billy. He later helps the Union prevent Disc from falling on Nico, and after that is settled, he, Billy, and Creed join the Union.

Abilities
Untell: Any and all means of communication that utilize his own body are negated. This also allows him to block projectiles.

Trivia

 * Tella ranked 7th in the Third Popularity Poll.
 * The kanji for Untell is 不通, which manifests in his inability to communicate (通), but the characters can also be read as "stop," "suspend," "obstruct," and anything else that could be a term for "not pass/go through," hence Untell's ability to block projectiles as previously stated.