Sweeper

The E-03 Sweeper (スイープ) is an E-Series robot that appears in Sonic Adventure and its remake, Sonic Adventure DX. It appears in Emerald Coast and Twinkle Park, but it is only encountered in Sonic's versions of these stages. It reappears in Emerald Coast in Sonic Generations.

Appearance
This enemy resembles a pond-skater in looks and behavior. It skims across water surfaces quickly and uses its needle-like nose to attack the player.

Trivia

 * Sweeper is the second badnik to be based on a pond-skater, the first being Amenbo from Sonic CD.
 * A Mario enemy also has the idea as this badnik.