| E! Box  »Item: Block |  | Yellow, red, green, and blue ! Boxes are found in various locations. Yellow ones have Coins or a Power Star inside, red ones have a Wing Cap, green ones have a Metal Cap, and blue ones have a Vanish Cap. | 
 ! Switch  »Item E. Gadd  »NPC |  | After equipping Luigi with a Poltergust 3000, Professor E. Gadd oversees Luigi's trek through the mansion from the safety of his lab. | 
 |  | Owns the Starbeans Cafe. Provides Mario and Luigi with special items as they blend new drinks. | 
 Eagle Statue  »Item Earlier Times  »Item |  | Allows a battle to start over. | 
 Earth Crystal  »Enemy: Boss |  | | HP: 3200 | FP: 250 | Attack: 0 | Defense: 70 | M. Attack: 80 | M. Defense: 33 | Speed: 1 | Exp: 50 | Coins: 0 |  | Thought: "I hate being awakened!" | 
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 Earth Link  »Enemy: Boss |  | | HP: 2500 | FP: 100 | Attack: 220 | Defense: 120 | M. Attack: 5 | M. Defense: 10 | Speed: 16 | Exp: 200 | Coins: 0 |  | Thought: "What a royal pain!" | 
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 Earth Quake  »Item Easy Badge  »Item: Badge Eeker  »Enemy |  | A beaker that attacks with fire. | 
 Eerie  »Enemy |  | Dragon-like zombies that float in zigzag patterns. | 
 Egg  »Enemy Item |  | Dropped or thrown by computer-controlled Yoshi. Hitting this will make you spin out and lose four Coins. | 
 |  | Usually contains a Yoshi or a Baby Yoshi. If you already have Yoshi, it will contain a 1-Up Mushroom. | 
 Egg Block  »Item: Block |  | A block that transforms into a yellow egg when hit. | 
 |  | A block that transforms into a red egg when hit. | 
 |  | A block that throws out an Egg when hit. They stop providing Eggs if Yoshi has six. | 
 Egg Bomb  »Item Egg Missile  »Item |  | One of Tayce T.'s recipes. Causes 6 HP of damage to one enemy. | 
 Egg Pants  »Item: Armor Egg-Plant  »Friend |  | This plant spits eggs into the air that Yoshi can grab and add to his arsenal. Egg-Plant stops spitting eggs when Yoshi has a full supply of six eggs. Certain Egg-Plants only spit Needlenoses. | 
 Eggbert  »Enemy |  | If you block an egg shot by Birdo, it becomes Eggbert. | HP: 10 | FP: 100 | Attack: 210 | Defense: 0 | M. Attack: 0 | M. Defense: 0 | Speed: 0 | Exp: 0 | Coins: 0 |  | Thought: "What a glorious day!" | 
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 Eggo-Dil  »Enemy |  | This flower periodically shoots out its yellow petals. | 
 NPC |  | A flower seen with Flying Wiggler. | 
 Elasto-Piranha  »Enemy Elder  »NPC |  | The village Elder of Seaside Town. Captured and impersonated by Yaridovich. | 
 |  | Yaridovich impersonating the Elder of Seaside Town. | 
 Elder Key  »Item: Key item |  | A key that opens a room in Booster Tower containing a Chomp for Bowser. You get the key by winning Booster's family portraits game. | 
 Elder Shrooboid  »Enemy: Boss |  | (1st phase) | HP: 1750 | Exp: 1500 | Coins: 400 | 
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 |  | (2nd phase) | HP: 1200 | Exp: 1500 | Coins: 400 | 
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 Eldstar  »NPC |  | One of seven Star Spirits. He teaches Mario the Focus and Refresh star powers. | 
 Electro Blooper  »Enemy: Boss |  | A large, electrified squid. | HP: 50 | Attack: 4 | Defense: 0 | 
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 Electro Pop  »Item |  | One of Tayce T.'s recipes. Restores 15 HP, and temporarily electrifies Mario like a Volt Shroom. | 
 Elevator Key  »Item: Key item Elite Boom Guy  »Enemy Elite Troopea  »Enemy Elite Wizzerd  »Enemy |  | | HP: 12 | Attack: 8 | Defense: 5 | 
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 Elite X-Naut  »Enemy |  | | HP: 10 | Attack: 5 | Defense: 1 | 
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 Elixir  »Item |  | Recovers 80 HP for all characters. | 
 Ember  »Enemy |  | A fire creature. They split in two if not killed with one hit. | HP: 10 | Attack: 4 | Defense: 0 | 
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 Empty Wallet  »Item: Key item |  | Koopa Koot's wallet that he lost. | 
 Energizer  »Item |  | Increases offense by 100% for one character. | 
 Enigma  »Enemy |  | | HP: 150 | FP: 100 | Attack: 55 | Defense: 40 | M. Attack: 30 | M. Defense: 35 | Speed: 25 | Exp: 10 | Coins: 5 |  | Thought: "Gather around! Watch it!" | 
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 Excite Spring  »Item |  | A gift from E. Gadd after the third new drink is made at Starbeans Cafe. Hold down the jump button for more hangtime during battles. | 
 Exor  »Enemy: Boss |  | | HP: 1800 | FP: 0 | Attack: 0 | Defense: 120 | M. Attack: 0 | M. Defense: 80 | Speed: 200 | Exp: 100 | Coins: 0 |  | Thought: "Gotta mow the lawn soon." | 
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 EXP Badge  »Item: Badge EXP Badge A  »Item: Badge Exp. Booster  »Item: Accessory |  | Doubles experience points. | Value: 22 Frog Coins | Attack: +0 | Defense: +0 | M. Attack: +0 | M. Defense: +0 | Speed: +0 | 
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 Expansion Block  »Item: Block |  | Temporarily expands when hit from below. | 
 Eyerok  »Enemy |  | Hidden inside the pyramid is this pair of hands made of stone. Each hand has an eye in its palm. Defeat Eyerok for a Power Star. | 
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