E
E-100 series - a series of robots designed by Robotnik in Sonic Adventure/Sonic Adventure DX that E-102y tries to save
E-102y - a gunner robot in the E-100 series designed by Robotnik in Sonic Adventure/Sonic Adventure DX;
its code name is Gamma
E-123Ω - also named Omega, it is the final robot in the E-Series
Eclipse Cannon - a powerful laser that is a part of the space colony ARK in Sonic Adventure 2/Sonic Adventure 2 Battle
Egg Carrier - an adventure field in Sonic Adventure/Sonic Adventure DX that consists of Robotnik's airship
Egg Fleet - Eggman's flagship that appeared in Sonic Heroes
Egg Robo - a robot that is a playable character in Sonic R
Eggman - the name first used in Japan for Robotnik and was introduced as a playable character
in Sonic Adventure 2/Sonic Adventure 2 Battle; see also Robotnik
Eggman card - a card in Sonic Shuffle that almost always makes something
bad happen (e.g. losing rings, losing a turn)
Egmont Fleetway - publishers of Sonic the Comic
Elias - Princess Sally's brother in the Archie Comics Sonic the Hedgehog series
Emblem - an award for completing certain missions; first introduced in Sonic Adventure
Emerl - a robot that Sonic the Hedgehog found in Sonic Battle and named it after the Chaos Emeralds it runs on; see also Gizoid
Espio the Chameleon - a hot-tempered character
that first appeared in Knuckles' Chaotix and later in Archie Comics Knuckles the Echidna series
E.V.E. - short for Exceptionally Versatile Evolvanoid; E.V.E.
is a robot (created from Robotnik's brain cells and cells from one of Sonic's
quills) who overrode her programming and launched herself into space after talking
to Sonic
Exceptionally Versatile Evolvanoid - see E.V.E.