Sequel SMP: JumpyJay

The leading member of the M.E.R.C. and the Arbiter of the Mercadian Underground, JumpyJay has been the leader of the M.E.R.C. since its conception many years ago. During the Empire's reign, he was forced to retreat with the other members of the Combine into the extensive cave network below Oakheart Ridge and wait out the conquest of their land. After The Departure, he rose to power once again and began reconstruction efforts to restore the M.E.R.C. to its former power.

He was the first faction member to forge a full set of netherite armor, and coupled with his sword, The Assassinator, he began to assume military control over the surrounding area, expanding his influence over Squid River and the Cattlerun Plains. He also quickly found allies in the nearby Corruscade and the mysterious Commerce Guild.

He is known to have prowess in redstone, creating many mechanisms and populating Oakheart Ridge with them. He also contributed to most of the major building projects and infrastructure in the area. He has remained focused on a strong military presence in case the Pickleseed Empire or those associated with it were to invade again.

He is also the author of the best-selling book End-Orphans II, which sold 4 copies in 3 days, a worldwide record. In addition to this, he helped in the initiative to discover Seragoth, and eventually became allies with sophiawrong, a prominent figure in Seragoth's hierarchy. He also helped found the national sport of Corruscade, Ice Boat All-Out-Warfare: Arena Edition.