Any time Ethan can hang a lampshade on some of the madness in Axe Cop, it's usually hilarious.
The Night Monster is revealed to ride (quoted verbatim) "a dumb gangster skateboard". It's either the term "dumb gangster skateboard", the decals on it saying "NYTE MONSTUR 4 LYFE", or that Malachai described it as such that makes it gutbustingly hilarious, but it's uncertain which.
Lobster Man began to tell the team the story of his life... "Our parents were german shepherds...". Regardless of the rest of the content, that two phrases along will make you go wait, what??
The names of Axe Cop's Mexican adoptive family, mother Cha Chiwowie Chihuahua, father Cha Cha Juan Juan Chiwowie Chihuahua, and twin sons Choo Choo Cha Cha Chiwowie Chihuahua. If that's not the standard by which Inherently Funny Words are judged, it should be.
In order to turn the Good Guy Machine into a Bad Guy Machine, the Psychic Brothers need to replace the unicorn horn with devil horns, so they summon Satan...who promptly saws his own horns off and gives them to them.
Axe Cop: Can you defeat a seven-faced monster with chainsaw, boot, dinosaur, bear, robot, angel, Satan, wolf, and snow power?
Yo-Yo Man: Nope. Sorry.
Axe Cop's haunted house, which finishes with the family having to get past "the Every Monster Ever, All Squished Together".
Also, according to Axe Cop, when the people have gone through a large hall, they wake up to find they have peed their pants. This troper had to have time to recover after that.
The real kicker? They receive a complimentary DVD of their experience.
In "Axe Cop Babysits Uni-Baby", all of a sudden Axe Cop and Dinosaur Soldier decide to get cyborg versions of themselves. The hilarity comes from it coming just freaking out of nowhere.
In Episode 19, Axe Cop manages to retrieve three unicorn horns from Stinky Head. He returns one to Uni-Man, returns one to a unicorn, and it seems that Axe Cop is about to give the third one to Sockarang... but proceeds to give to Uni-Man.