minetest.register_entity("zombiestrd:zombie",{
											-- common props
	physical = true,
	stepheight = 0.1,
	collide_with_objects = true,
	collisionbox = {-0.25, -1, -0.25, 0.25, 0.75, 0.25},
	visual = "mesh",
	mesh = "zombie_normal.b3d",
	textures = {"mobs_zombie.png","mobs_zombi2.png"},
	visual_size = {x = 1, y = 1},
	static_save = true,
	timeout = 600,
	on_step = mobkit.stepfunc,	-- required
	on_activate = mobkit.actfunc,		-- required
	get_staticdata = mobkit.statfunc,
											--CUSTOM PROPERTIES BELOW
	head = "zombiestrd:zombie_head",
	springiness=0,
	buoyancy = 0.75,					-- portion of hitbox submerged
	max_speed = 3,
	jump_height = 1.26,
	view_range = 24,
	lung_capacity = 10, 		-- seconds
	max_hp = 14,
	attack={range=0.3,damage_groups={fleshy=7}},
	animation = {
		walk={range={x=41,y=101},speed=40,loop=true},
		stand={range={x=0,y=40},speed=1,loop=true},
	},

	sounds = {
		misc='zombie',
		attack='zombie_bite',
		warn = 'angrydog',
		headhit = 'splash_hit',
		bodyhit = 'body_hit',
		charge = 'zombie_charge',
		},
	armor_groups={immortal=100},
	brainfunc = zombie_brain,

    ...
})

function mobkit.actfunc(self, staticdata, dtime_s)
	self.logic = self.logic or self.brainfunc
	self.physics = self.physics or mobkit.physics

	self.lqueue = {}
	self.hqueue = {}
	self.nearby_objects = {}
	self.nearby_players = {}
	self.pos_history = {}
	self.path_dir = 1
	self.time_total = 0
	self.water_drag = self.water_drag or 1
	local name = self.name
	local head = self.object:get_properties().head
	if head then                          -- Returns false as get_properties() returns a table without 'head' prop
	     local rel_pos = minetest.registered_entities[head].pos
	     local pos = self.object:get_pos()
	     local real_pos = {x = pos.x+rel_pos.x, y=pos.y+rel_pos.y, z=pos.z+rel_pos.z}
	     local head_obj = minetest.add_entity(rel_pos, head)
	     local rot = self.object:get_rotation()
	     head_obj:set_attach(self, "", rel_pos, {x=deg(rot.x), y=deg(rot.y), z=deg(rot.z)})
	end