I just got to Episode 4 on JLunia and I'll give you guys the heads up of all the bosses you can expect to meet and their attacks and whatnot.
Violent Jungle Gorilla
Chest Beat - Low Damage and Stun
Call Gorilla - Calls Gorilla monster to aid him
Butt Shake - Shakes butt and blue mist comes out. Coconuts fall from sky
Hop - Hops on screen and Coconuts fall from sky
Smash - Sends character to ground and stuns them. Low damage
Giant Jungle Turtle King
Beam - Moderate damage beam that hits your character.
Roll - Boss hops on back and rolls around screen
Multiply - Boss makes a replica of himself that attacks you.
Bite - Bites
Stun - Stuns character for a couple of seconds.