As promised, here's the list of MCSL mascots from most popular to the more unique.
Dolphins (12)--B, DA, FH, MCF, NWB, OG, PO, RF, SO, TW, UC, WHI
Alligators/Gators (6)--A, CB, EG, FR, GM, PGL
Sharks/Sharx (6)--EW, FM, NCC, RS, SL, SB
Barracudas/Cudas (5)--BE, CS, NGV, WL, NMC
Marlins (4)--CLM, MB, MCT, QV
Tigers (4)--G, TN, TF, WW
Seahawks (3)--C, FO, MS
Stingrays/Rays (3)--CCR, DF, RV
Piranhas (2)--PLT, PL
Otters (2)--OM, QO
Whales (2)--P, W
Waves (2)--WWD, WG
And now the mascots that represent only one MCSL team: Chargers (CA), Sun Devils (CG), Feet (D), Demons (DT), Frogs (FV), Lady Bugs (GP), Torpedoes (GER), Hurricanes (HA), Hellcats (H), Nessies (IF), Jellyfish (JC), Kangaroos (KM), Tsunami (K), Kingfish (KL), Screamin' Geese (KFM), Lasers (LM), Lionfish (LLD), Penguins (LF), Water Wizards (LB), Terrapins (MW), Maniacs (MM), Indians (MO), Anacondas (NH), Neptunes (NO), Octopi (O), Eagles (OF), Porpoises (PA), Devils (PW), Arrows (RH), Sailfish (RE), Fins (RC), Serpents (SG), Foxes (TH), Tarpon (TA), Ducks (TB), Thunder (WTL), Wahoos (WCF), and Wombats (WM).