Lunatick is an antlion monster that hatched from a Kadix pod.
He is voiced by the late Bob Papenbrook who previously voiced Saliguana, a Showbiz Monster, Snizzard, Silo, Punch-A-Bunch, Borax the Varox, Amphibitor, Torch Tiger, Sting King and later voiced Spikey, Radster, Deviot, Fireor, Thunderclaw, Univolt, Artillicon and a Bell Org.
The Lunatick made his first appearance in the cargo bay on the Astro Megaship attacking Cassie. However she managed to send that alien into outer space while still clinging onto a net which somehow got caught in the cargo bay door.
Back outside as shown on the monitor Lunatick is still on the ship as it was doing damage to it on the outside causing the ship to crash land on its home planet.
A while later he was on the said planet as he sends out the Scavengers to attack the team. As this goes on he holds the team at bay while the Scavengers began to scavenger some stuff on the ship. However the scavengers were knocked out of the said ship by the Silver Ranger leaving Lunatick to battle him. However Lunatick was then destroyed by Zhane.
As this goes on Lunatick had somehow enlarged itself prompting the team to bring out the Astro Megazord to battle it. However during the giant battle Lunatick used its ability to trap the Megazord in a pile of dirt. So the team brought out the Delta Megazord to send flying Lunatick as it help the Astro Megazord to get out of the dirt. After that the team combined the two megazords to become the Astro Delta Megazord and destroyed Lunatick with a Flying Power Punch.
Lunatick later appeared as part of the Machine Empire's army.
Lunatick was later seen in the Shadow World.