Reverb

Echoes (エコーズ Ekōzu) is the Stand of Koichi Hirose, featured primarily in Diamond is Unbreakable and Vento Aureo.

Rare among Stands, Echoes takes three distinct forms called "ACT"s, which Koichi may call upon alternately.

Echoes' second form increases its sound abilities beyond its first form's capabilities. Echoes can write a sound effect on any surface. However, unlike ACT1, it is only able to shoot sound effects from its tail, limiting it to only one sound effect at a time. When the sound effect is touched, an effect related to the sound is produced, either affecting the person who touched it or the object which the words are inscribed on. Enhanced Speed: Foreshadowing the speed of ACT3, ACT2 gains a massive increase in speed - fast enough to give the impression of disappearing into air.
 * Hyooo (ヒョオオ) - A strong wind is produced.
 * Doguon (ドグオン) - The toucher is knocked back a great distance.
 * Byoyon (ボョヨオン) - The object becomes elastic and bouncy.
 * Jū (ジュー) - The object radiates heat and will burn upon contact.
 * Dorarara (ドラララ) - An attack rush of Crazy Diamond shaped fists attack the enemy (Eyes of Heaven only)