Aerodent

Aerodent is one of the bosses in Wario Land 4 whom appears to resemble a mouse. Aerodent also appears to be flying a giant teddy bear balloon. One of Aerodent's attacks are sending out Tack Soldiers and later on shooting fire.

The battle starts out with Aerodent releasing a Tack Soldier. If Wario manages to flip over the Tack Soldier, a spike points up and Wario must aim the Tack Soldier and throw it at Aerodent to deflate its teddy bear balloon allowing Wario to hit him. Later on, after a couple of hits, Aerodent starts shooting fireballs and which flames the ground if the ground is hit or if Wario hits it, Wario turns info Flaming Wario. After a number of hits, Aerodent becomes defeated and Wario can move on to completing the last passage, the Sapphire Passage.