def METHOD_NAME(ai_name, creature):
    if ai_name == 'NullAI':
        return NullCreatureAI(creature)
    elif ai_name == 'BasicAI':
        return BasicCreatureAI(creature)
    elif ai_name == 'CritterAI':
        return CritterAI(creature)
    elif ai_name == 'GuardAI':
        return GuardAI(creature)
    elif ai_name == 'PetAI':
        return PetAI(creature)
    elif ai_name == 'TotemAI':
        return TotemAI(creature)
    # elif ai_name == 'EventAI':
    #    return EventAI(creature)
    # elif ai_name == 'PetEventAI':
    #    return PetEventAI(creature)
    # elif ai_name == 'GuardEventAI':
    #    return GuardEventAI(creature)
    return None