Gabriel Picolo's graphic novel is unique because of its characters. They are likely to be complex and multi - dimensional, with their own quirks, dreams, and flaws. This makes them very relatable to readers. Moreover, the combination of his art and the character development creates a memorable reading experience.
Negan doesn't kill Gabriel in the comic series. The fates of these two characters don't play out like that. Gabriel's story continues independently of any interaction with Negan resulting in his death.
Gabriel's death in the comics can be quite unexpected. It could be from an internal conflict within the group or a twist in the story that leads to his demise. The circumstances change depending on the creative direction of the comic writers.
In the TWD comics, Gabriel's death occurs during a chaotic confrontation with a group of hostile survivors. It's a sad and sudden turn of events that catches readers off guard.