Omniverse 10,000

Plot
Vilgax and Hex attack Ben 10,000 and Kenneth while Charmcaster attacks Callerback and his kids.

Major Events

 * All of the Callerback Family Tree and Ricky`s friends appears in an alternate timeline
 * Mr. Callerback`s secret offsprings make cameos as does his new wife
 * The following villans appear in Omniverse: Vilgax 10,000, Hex 10,000, Charmcaster 10,000, and Callerback 10,000
 * However, this is Vilgax`s, Hex`s, and Charmcaster`s appearances in an alternate timeline, therefore not making this their official, canon Omniverse appearances.
 * Villans from the original series attack Ben 10,000 and Callerback 10,000

Characters

 * Ben (cameo; cameo in flashback)
 * Gwen (cameo in flashback)
 * Rook (cameo)
 * Professor Paradox (both timelines)
 * Ben 10,000 (Omniverse) (alternate timeline)
 * Kenneth Tennyson (Omniverse) (alternate timeline; cameo)
 * Callerback Family Tree (alternate timeline)
 * Ricky`s Friends (alternate timeline)

Villans

 * Callerback (cameo)
 * Callerback 10,000
 * Vilgax 10,000
 * Hex 10,000
 * Charmcaster 10,000

By Present Ben

 * Armodrillo (cameo)

By Kenneth Tennyson (Omniverse)

 * XLR8 (x2) (cameos both times)

By Ben 10,000

 * XLR8 (x2)
 * Cannonbolt (cameo)
 * Four Arms
 * Wildmutt (x3)
 * Heatblast (x2)
 * Stinkfly
 * Articguana (cameo)