You get Mac by talking to him outside your house after you gain the ability to talk to animals.
Mac, when used, will stop, and if an enemy touches him, he'll hold the enemy in one place.
Mac + Moa = Strengthen the Touch Not really any different than using Mac alone.
You'll get Moa after defeating Chameleon in the Camellia Desert.
Useless alone, Moa has the ability to strengthen other animals.
Moa + Mac = Strengthen the Touch Not really any different than using Mac alone.
You can rescue Inferno from a prison right outside of Castle Freesia.
Throw your sword with Inferno selected, and it will be powered with fire, and extra powerful.
Inferno + Moa = Strenghten the Flame Throwing your sword causes a more powerful Flame Sword attack than Inferno alone.
You rescue Chilly after defeating the Octopus at Anemone Beach.
Throw your sword with Chilly selected, and it will be powered with ice and the ability to freeze enemies.
Chilly + Moa = Strengthen Ice Magic Thrwoing your sword causes a more powerful Ice Sword attack than Chilly alone.
You can race Flash in the animal village in Iris. Give him 50 Malins and he'll go very slow. Beat him and he'll join you.
Selecting Flash doubles your walking speed.
Flash + Moa = Make Walking Spee 3 Times Triples your walking speed.
Talk to Dippy in Camellia Desert after your first trip to Babel Tower and he'll join you.
Dippy allows access over some water in the world map, and selecting him allows you to ride him over spikes and other damaging terrain unscathed.
Dippy + Flash = Strengthen the Ability Makes Dippy move faster.
He'll join you late in the game in Burn Daisy, right before fighting the Puppet Master.
Throw your sword with Dodo selected and it'll attach to an enemy. This can cause an enemy to get stuck in the wall, or bring an enemy back to you.
Dodo + Moa = Strenghten Attachment Not really any different than using Dodo alone.
You'll face Leviathan at the end of the Root Temple. Defeat him and he'll join you.
Selecting Leviathan allows you to swing, throw, and charge up your sword twice as fast.
Leviathan + Moa = Make Swing Speed 3 Times Triples your sword's swinging, charging and throwing speed.
After you regain your ability to talk to humans, visit your mother, then at the house for sale, visit "her" again, back to your house to visit her, then select Mac and visit the "her" at the house for sale. It turns out to be Wong.
Wong mimics you, drawing the enemies' attention.
Cecil will join you after you defeat the Shuffler in Burn Daisy.
Selecting Cecil allows your sword to bounce off walls, and extends throwing distance.
Cecil + Moa = Continue to Rebound When your sword is thrown, it will rebound indefinately.
After being transformed into a slime near the end of Iris, you'll be asked to solve a puzzle with a caterpillar, a flower and a bird. Do so and Pieces will join you. Pieces turns into a pupa and leaves your party when you reach Babel Tower for the second time.
Pieces does absolutely nothing.
After making it through the Place of Peace, you'll return to the base of Babel Tower, where Pieces will re-emerge from his cocoon and join you as Monarchy.
Monarchy allows you to control your sword after it is thrown.
Monarchy + Moa = Continue to Operate When your sword is thrown, it can be controlled indefinately.
When in the past at Isis, throw a plank in the pool at the animal village and talk to Rio and he'll join you.
Rio can be used as a plank, which can be thrown so you can jump on it and cross treacherous terrain.
Rental animals are animals that cost money to be hired, and can only be used once.
You can hire Kitty in Anemone Beach village for 50 Malins.
Kitty is the only animal that can't be selected. With Kitty in your inventory, your life will be replenished when you lose all your HP.
You can hire Edgar in Iris Animal village for 50 Malins.
Edgar will attack all on-screen enemies for about 5 seconds.
You can hire Batty in Camellia Desert village for 100 Malins.
Batty will make you invincible for about 10 seconds.