Loudmouth

The Crescendo is an enemy from Kingdom Hearts: Chain of Memories and Kingdom Hearts II.

Kingdom Hearts: Chain of Memories
''Hopping like heartless with horn. a power to havoc the other heartless to uncool adventure.''

Kingdom Hearts II
''It restores the HP of surrounding enemies. Use Heal Stomp with the right timing to heal the party.''

When attacked, it may call for help, so be sure to defeat it immediately.

Card
See: Crescendo (Enemy Card)

Etymology
A crescendo is the gradual increase especially in the loudness of music or the peak of a gradual increase.