Boss

Boss can refer to one of the following bosses:
 * The Great Octoweapons
 * The Octobosses
 * DJ Octavio
 * Boss Salmonids
 * Agent 3
 * Commander Tartar

Or one of the following Octo Valley missions and their bosses:
 * Boss 1: The Mighty Octostomp! - (Octostomp)
 * Boss 2: The Dreaded Octonozzle! - (Octonozzle)
 * Boss 3: The Rampaging Octowhirl! - (Octowhirl)
 * Boss 4: The Ravenous Octomaw! - (Octomaw)
 * Boss 5 (Final): Enter the Octobot King! - (DJ Octavio)

Or one of the following Octo Canyon missions and their bosses:
 * Boss 1: Into the Octo Oven - (Octo Oven)
 * Boss 2: Fear the Octo Samurai - (Octo Samurai
 * Boss 3: The Octostomp Returns - (Neo Octostomp)
 * Boss 4: The Octo Shower - (Octo Shower)
 * Boss 5 (Final): Tide Goes Out - (DJ Octavio feat. Callie)

Or one of the following Octo Expansion missions and their bosses:
 * Drop the Bass Station - (Octostomp Redux)
 * Toastmaster Station - (Octo Oven XXL)
 * Whack-Fu Station - (Revenge of Octo Samurai)
 * Cool Your Jets Station - (Octo Shower Supreme)
 * Spinal Phase - (Agent 3)
 * Turf War - (Commander Tartar using the NILS Statue)
 * Inner Agent 3 - (Agent 3) - (Secret Boss)