Kerokero

From Sonic Retro

The KeroKero is a pink robotic frog enemy found in Neo Green Hill Zone. They make small jumps towards the player, and they can be seen croaking, ocasionaly. Either spin or roll into them to destroy them. "Kero" is a japanese onomatopoeia for the croaking of a frog.

Sonic Advance Enemies
Drisame | Gamigami | Hanabii | Kerokero | Kiki | Kuraa | Leon | Mirror | Mogu | Oct | Pen | Pierrot | Rhinotank | Senbon | Slot | Stinger | Tentou | Wamu | Yukimaru
Sonic Advance Bosses
Egg Hammer Tank (NGHZ) | Egg Press (SBZ) | Egg Ball (CPZ) | Egg Spider (IMZ) | Mecha Knuckles (AIZ) | Egg Snake (CAZ) | Egg X (XZ) | The Moon Zone