Charlie T. RiverDog taking part in Mascot Mania Tournament

Charlie T. RiverDog is taking part in the Mascot Mania Tournament as one of the top mascots in minor league baseball. Go to milb.com/mascotmania to vote.

The Charleston RiverDogs are not only good on the field, but they are also solid gold off it.

For the seventh straight year, the RiverDogs were ranked among the top-25 minor league baseball teams in terms of merchandise sales for 2011.

Their exact ranking wasn’t ?released by Minor League ?Baseball.

Aided by a variety of items that feature mascot Charlie T. RiverDog — one of the most popular logos in all of Minor League Baseball — RiverDogs commodities are a hot seller year-round.

“The Charleston RiverDogs’ dedication to family-friendly products with their variety of merchandise has greatly contributed to them being among the top 25 clubs in licensed merchandise sales in seven out of the past 10 years,” said Sandra Hebert, director of licensing for Minor League Baseball.

The RiverDogs are joined by the Lakewood BlueClaws as the only South Atlantic League members to make the list. The Myrtle Beach Pelicans were also ranked in the top 25.

“We’ve known for a long time that our logo is a winner and that fans enjoy what we have in our souvenir store,” said RiverDogs general manager Dave Echols. “We’ve put great emphasis on the variety of merchandise available where there will be something for everyone. Merchandising is a major part of that experience.”

Overall, Minor League Baseball’s national licensing program generated $52.2 million in sales, reflecting the third largest since the program began in 1991 and represents a 2.2 percent increase compared to 2010.

Meanwhile, Minor League Baseball has launched Mascot Mania, an interactive tournament allowing fans to choose the best mascot in Minor League Baseball.

Charleston’s own Charlie T. RiverDog is on the ballot going up against Sammy the Seagull, who represents the Corpus Christi Hooks.

Round one voting begins today and runs through Tuesday. The overall winner will be crowned on June 19.

Fans can vote by going to: www.milb.com/mascotmania.