You know you can look up who has the most Twitter followers on this website called Twitter.
Smash Bros.
Leffen: 363,838 followers
Mango: 124,355
Hungrybox: 111,907
Armada: 110,900
PPMD: 105,840
Mew2King: 102,699
ZeRo: 65,280
D1: 59,521
Scar: 35,945
Westballz: 35,904
Ken: 35,062
GimR: 32,413
Toph: 28,676
Axe: 26,318
Capcom
JWong: 76,987 followers
PR Balrog: 70,426
Mike Ross: 58,333
Daigo: 50,146
Team Spooky: 46,865
James Chen: 39,953
Alex Valle: 35,386
Tokido: 31,812
Ultradavid: 31,270
Kazunoko: 30,524
Momochi: 26,814
Filipino Champ: 25,600
Arturo Sanchez: 24,826
General FGC
Maximilian: 71,928 followers
Gootecks: 49,418
Dota
Dendi: 340,467 followers
Puppey: 183,811
Arteezy: 175,027
TobiWan: 147,706
Loda: 121,461
EternalEnvy: 110,819
LoL
Bjergsen: 620,873 followers
Dyrus: 515,107
Doublelift: 403,770
I don't know any other pro League players. Is Team MRN still around?