Boss

Boss can refer to one of the following bosses:
 * Octostomp
 * DJ Octavio
 * Boss Salmonids

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

Or one of the following Octo Canyon missions:
 * Boss 1: Into the Octo Oven
 * Boss 2: Fear the Octo Samurai
 * Boss 3: The Octostomp Returns
 * Boss 4: The Octo Shower
 * Boss 5 (Final): Tide Goes Out