Some monster name codes may not work because you may first need to battle the monster at a random event or get permission or an invitation to be able to raise them.
Better monster stats
Place any two letter or two numbers and put 1, 3, or 8 as the third character to get a high stats monster, with one of these three traits with it. Examples are: cd1 for a monster with hight Success.
cd2 for a monster with high Earth.
cd8 for a monster with high Expert.
Special monsters
Submit the case sensitive codes EXODIA and YUGKPUY to get two special monsters.
Submit the case sensitive code Vintow, vintow, and He8dge to get three special monsters.
Carmilla (Pixie)
Submit the case sensitive code W_Angel at the shrine.
FairLessie
Submit the case sensitive code ZUPKFGLQ at the shrine.
Garu
Submit one of the case sensitive codes one of the following case-sensitive codes.
Combine Garu and Suezo to get a Garu named Becks which has power, accuracy, speed, defense, and life all over 100. Combine Hare Hound and Delphi to get a Garu named Wolfkin.
Gokuu
Combine Garu with FairyHare to get a Gokuu.
Joker
Submit the case sensitive code CALIENTE to get a Joker named Anathema.
Kuloru (MoMo)
Submit the case sensitive code LIKETEA .
Mew
Submit the case sensitive code Numbuh4 to get a white Mew.
Ombren (Gali)
Submit the case sensitive code RACCOON at the shrine.
Pantheon (Garu)
Submit the case sensitive code X-Blade .
Prepee (Octopee)
Submit the case sensitive code OPENBOOK .
Pixie
Submit the case sensitive code CHIDCHID to get a special Pixie. By combining a a Pixie with Naga you will get a rare Allure Pixie. Submit the case sensitive code exodia to get a special pixie named truenos.
Ragnaroks (Dragon)
By combining a a Diva with a Monol you will get a Ragnaroks. Its a Special Blue Monster and is the second best dragon in the game. Submit the case sensitive code DRG_RGN at the shrine.
Phenoix
Submit the case sensitive code POLARIS at the shrine.
Shaorin (Suzurin)
Submit the case sensitive code 3cC2dD4 .
Skeletant (special Antlan)
Submit the case sensitive code one of the following case-sensitive codes.
POSTYV
PSYCHIC
ThorHummer
Submit the case sensitive code Tecmo at the shrine.
Warrior (Henger)
Submit the case sensitive code ULTIMATE at the shrine.
Zuum
Submit the case sensitive code GOLDGIFT for a special Zuum.