Kosmoh Kramer

Kramer is the second fan troll to appear in Sollux x Jerry Seinfeld, and could be argued to be the most important fan troll to the story overall. He is first seen pestering Eridan about being dumped by Feferi, and then reappears in the Sollux x Vriska timeline in which he flies over to the gold blood's hivestem in order to save him from an army of raging incels. Kramer also appears in the Sollux x Gamzee timeline, in which he moves into the same hivestem as Sollux, and is quick to befriend him upon the two being introduced by their shared landwellord.

Trivia

 * Despite being a sea dweller, he has neither violet or fuchsia blood, instead being a caste in between the two that he simply refers to as "grape."
 * This could mean that Kramer is actually a mutant rather than fitting into any existing caste. However, whether or not this is true is not yet clear.
 * Kramer prefers to go by his last name rather than his first. The reason why is not currently known.
 * Due to his occasional usage of grey text, and full caps lock when typing, Kramer is oftentimes confused for Karkat when first messaging other characters.