The East Coast Collectibles Convention (EC3CON) is a quarterly, family friendly sports and trading card show at Mohegan Sun in Connecticut. EC3CON brings together sports and Pokémon card collectors, hobby enthusiasts and families for a weekend filled with fun. Enjoy autograph signings from athletes and voice actors, shop with over 300 tables of unique vendors, buy - sell - trade cards. Whether you're into baseball, basketball, Pokémon, Magic The Gathering - there is something for everyone! With free parking and free admission for kids under 12, EC3CON is a must see! Join us every February, June, September and November!

East Coast Collectibles Convention

Date & Location

Sunday
September 21, 2025

Sky Convention Center, Mohegan Sun
Uncasville, Connecticut

Admission Info

General Admission: $15

Early Bird Admission: $25

Kids under 12: FREE

Show Hours:

Early Bird Entry: 9:00 AM

General Admission: 10:00 AM – 4:00 PM

Vendor Tables

300 Vendor Tables

Buy • Sell • Trade a wide variety of sports cards, Pokémon cards, and TCG collectibles. Don’t miss out!

Special Guests

  • Marc Thompson

    Marc Thompson

    🎤 Voice Actor – Pokémon, Star Wars, Yu-Gi-Oh!

    Get ready to meet one of the most versatile voices in animation and anime — Marc Thompson is joining us at EC3Con!

    Marc is widely known in the Pokémon universe for voicing a wide range of characters across the series, including both beloved Pokémon and iconic human roles. His standout Pokémon performances include Tepig, Primeape, Gliscor, and Krookodile, along with characters like Maxie, Dr. Zager, and Samson Oak. Whether he's bringing a fierce battle cry or a comedic moment to life, Marc’s work has helped define the sound of the Pokémon world for over a decade.

    Beyond Pokémon, fans will recognize his work in:

    Yu-Gi-Oh! as Duke Devlin and Chazz Princeton

    Teenage Mutant Ninja Turtles (2003) as Casey Jones

    And as the legendary voice behind dozens of Star Wars audiobooks, including the Thrawn and High Republic series.

    With over 25 years in the industry, Marc has voiced hundreds of characters across anime, video games, and animation — and we’re thrilled to welcome him to the EC3 stage!

    📸 Don’t miss your chance to meet Marc Thompson for signings, photos, and live panels!Description goes here

  • Matthew Sussman

    Matthew Sussman

    🎤 Voice Actor – Meowth from Pokémon

    Matthew Sussman is best known to Pokémon fans around the world as the original English voice of Meowth, the wise-cracking, spotlight-stealing member of Team Rocket from the first eight seasons of the Pokémon animated series.

    From the moment he first shouted “Prepare for trouble!” to his heartfelt backstories and comic misadventures, Matthew’s unforgettable performance helped define Meowth’s personality and made him one of the most iconic characters in the franchise. His voice work brought depth, humor, and heart to a Pokémon that didn’t just talk — he stole the show.

    For many fans, Matthew’s Meowth remains the definitive version, leaving a lasting impact on Pokémon’s early years and its global success.

    Come celebrate the original voice behind one of the most beloved characters in the Pokémon universe — Matthew Sussman, only at EC3Con!

  • Brittany Cox

    Brittany Cox

    🎤 Voice Actor – Pokémon, The Legend of Zelda, Genshin Impact

    We’re thrilled to welcome voice actress Brittany Cox to EC3Con!

    Brittany is the voice behind some of today’s most recognizable characters in animation, video games, and anime. In the world of Pokémon, she brings to life Nemona, your energetic and battle-obsessed rival in Pokémon Scarlet and Violet. Her spirited performance helped make Nemona an instant fan-favorite among players and fans of the franchise.

    Beyond Pokémon, Brittany’s voice can be heard in hit titles like:

    Princess Zelda in The Legend of Zelda: Hyrule Warriors – Age of Calamity

    Fischl in Genshin Impact

    Nancy Drew in the long-running game series

    Roles in Fire Emblem, Shaman King, Sword Art Online, and more

    Known for her warmth, range, and charisma, Brittany has quickly become a standout in the voice acting world, bringing energy and authenticity to every role she plays.

    Meet the voice behind some of your favorite characters — Brittany Cox, appearing at EC3Con!

  • Campbell Cooley

    Campbell Cooley

    🎤 Voice Actor – Power Rangers, One Piece, Dragon Ball Super

    Please welcome the powerhouse of villainy himself — Campbell Cooley is joining us at EC3Con!

    Best known for voicing some of the most iconic villains in the Power Rangers universe, Campbell has brought unforgettable life and personality to fan-favorite characters including:

    Snide in Power Rangers Dino Super Charge

    Cosmo Royale and Ripcon in Ninja Steel

    Scrozzle in Beast Morphers

    Slyther in Dino Fury

    His performances are known for their theatrical flair, sinister charm, and incredible vocal range — a staple of modern Power Rangers storytelling.

    In addition to Power Rangers, Campbell’s voice has appeared in major anime titles including:

    Dragon Ball Super

    One Piece

    Trigun Stampede

    Beyblade Burst

    With a background in film, theater, and voice-over, Campbell Cooley brings decades of experience and an unmistakable energy to every role.

    Get ready to meet the voice behind some of your favorite villains — Campbell Cooley, live at EC3Con!

Find EC3CON!

Sky Convention Center, Mohegan Sun
1 Mohegan Sun Blvd
Uncasville, CT 06382

 

Future Dates

• November 22-23, 2025

• February 14-15, 2026

• June 20-21, 2026

Visit Our Card Shop!

East Coast Collectibles Card Shop
386 Main Street
Middletown, CT 06457

(located inside The Main Street Market)

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