Sidekick/companion

Sidekicks (or companions) can accompany heroes during their nocturnal exploits. The two main ways of summoning a sidekick are the use of an innate skill, or using a summoning item.

Obtained from skill/item.

Naturalist:
Wolf
Water buffalo

Psion:
Wind Warrior

Obtained from dropped item.

Blues musician
Fledgling elemental hero
Strobe drone

Obtained from a "source".

Plaid couch:
Boxing coach
Crow
Free dummy
Mafia informer
Old friend
Smart-aleck kid

Sidekick/companion comparison table

Sidekick/companion	Skill/Item	Duration	Ability
Wolf	Summon Wolf Wolf bait	60 min.	Attacks foes.
Water buffalo	Summon Water Buffalo Scubby brand buffalo snax	60 min.	Attacks foes.
Wind Warrior	Wind Warrior warrior hologram	?	Attacks foes. (Except some robots.)
Blues musician	harmonica	45 min.	40 chips after a fight.
Fledgling elemental hero	cryptonase	30 min.	1-3 XP after a fight.
Strobe drone	inactive strobe drone	30 min.	(needs spading)
Boxing coach	gym membership card	60 min.	+chance of hit? (needs spading)
Crow	stale cracker	60 min.	+%items? (needs spading)
Free dummy	mismatched earring	60 min.	Damage absorption. (can be destroyed)
Mafia informer	Twilight Gold card‎	60 min.	+%Chips? (needs spading)
Old friend	phone number	60 min.	20 XP after a fight.
Smart-aleck kid	old coin	60 min.	Causes enemy to not attack.