The following is the list of all trainers that have ever competed in the Blue Version Poké Battles.  Their record, displayed in win/loss/draw format, is displayed to the right of the names of the trainers.  The numbers after the records represent which battles they competed in.  A number preceded by the letter "T" indicates a tournament number.  Note: Tournament #2 is not reflected in the records because of its complicated nature.

Abdul: 0-1-0    17
Amanda: 3-0-2    21, 25, 31, 51, 75
Ash: 2-0-0    24, 42
Bank Robber: 0-0-1    26
Blaize: 1-0-0    48
Boba Fett: 0-1-0    24
Bob "That Guy" Smith: 3-1-0    10, 15, 28, 59
Book: 0-1-0    32
Book Freak: 0-1-0    44
Boy: 0-1-0    13
Bulby: 1-0-0    46
Bully: 0-1-0    22
Butch Urrh: 0-1-0    28
Ceciliana: 1-0-0    50
Cheese: 0-1-0    25
Chef: 0-1-0    46
Computer: 1-1-0    13, 52
Cubone: 0-1-0    41
Da Evolution Man: 0-2-0    28, 54
Darth Vader: 0-1-0    12
David: 0-1-0    48
Ditto: 1-0-0    81
Elf Union Leader: 0-1-0    66
Emperor Sloth: 1-1-0    54, 76
Eric: 1-0-0    4
Erica Lujano: 0-1-0    55
Evil Erika: 0-1-1    29, 75
Fanboy: 1-0-0    77
Floor: 0-1-0    61
Franchise Owner: 1-0-0    17
Frieza: 0-1-0    43
Furatshu: 0-1-0    64
Gardener: 0-1-0    47
Gary: 0-1-0    34
General Solomon: 0-1-0    23
Gengar: 0-1-0    T3
Giovanni: 1-0-0    70
Gogo: 0-1-0    67
Grandpa: 1-0-0    39
Hacker: 1-0-0    79
Hibari: 1-0-0    80
Hippy: 1-0-0    38
Jack: 1-0-0    73
Jake: 2-0-0    11, 32
James: 1-1-0    19, 73
Jason Ross: 0-2-0    27, 49
Jigglypuff: 1-0-0    T3
Joe: 3-5-0    3, 7, 8, T1, 30, 35, 84
Joel Hudson: 1-0-0    22
Jrcom: 1-0-0    45
Judge Judy: 0-1-0    4
Kane: 1-0-0    23
Katie: 2-1-0    2, 5, T1
Kazi: 0-1-0    16
Kitten: 1-0-0    53
Klash: 1-1-0    30, 36
Krystal: 1-0-0    55
Lab Mouse: 0-1-0    37
Lance: 1-1-0    62, 74
Larry: 1-0-0    68
Librarian: 1-0-0    44
Luke Skywalker: 1-4-0    1, 9, 12, T3, 40
Man With Hook: 1-2-0    6, T3
Matt B.: 0-1-0    82
Mew: 0-1-0    53
Michael: 0-1-0    18
Mike Nelson: 1-0-0    14
Mio: 1-0-0    71
MissingNo: 1-2-0    21, T3
Misty: 0-1-0    42
Mouse: 1-0-0    37
Mystery03: 0-1-0    59
Narrator: 1-1-0    62, 74
Neighbor: 1-0-0    18
Oddish: 1-0-0    27
Officer Jenny: 0-1-0    5
Otaku: 0-2-0    71, 80
Paper: 0-1-0    2
Paul: 0-1-0    78
Pegasus: 1-0-0    84
Pikachu: 3-5-0    10, 16, 17, 19, 28, 31, 41, 49
Poison Ivy: 1-0-0    29
Pokégirl: 2-0-0    34, 36
Pokémon: 0-1-0    14
Pokémon Game: 0-1-0    79
Popcorn Man: 4-0-0    8, T1, 40
Princess Gardalin: 0-1-0    86
Professor Ominis: 0-1-0    56
Queen Victoria: 1-0-0    27
Raichu: 1-0-0    82
Ray: 0-1-0    81
Reno: 0-1-0    50
Roach: 0-1-0    61
Robocop: 0-0-1    26
Santa Claus: 1-1-0    66, 70
Sean: 1-0-0    61
Seizure Image: 0-1-0    20
Shawn: 1-0-0    52
Slowpoke: 0-1-0    72
Snifit 2: 1-0-0    33
Snifit X: 0-1-0    33
Star Ellimist: 1-1-0    20, T3
Supreme Being: 0-1-0    7
Squirtle: 1-1-0    3, 5
Tippy: 1-0-0    56
Thatgirl: 0-1-0    36
The Devolution Guy: 1-0-0    72
Trainer: 2-0-0    64, 78
Tree: 4-4-0    1, 5, T1, 38, 39, 67, 86
Trekker: 0-1-0    77
T.V.: 0-1-0    11
Vegeta: 0-1-0    63
Webmaster: 0-1-1    45, 65
Webmaster's Mom: 0-0-1    65
Weird Voice: 0-0-1    51
Windows: 0-1-0    15
Y2K Bug: 1-0-0    68
Zarbon: 2-0-0    43, 63