I think that everyone can figure this out for themselves, but just to save some trouble adding those Tough Opponents stat totals to see if your stats are better, I decided to write this.

E Level

Opponent	Stat Totals
Grigrino	650
Jimmy	628
Lolo	548
Kanappe	539
Komodo	609
Kusto	617
Plum	644
Shisul	506
Six	628
Sola	610
Stuart	579
Wakaba	633

Best Stats: Grigrino
Worst Stats: Shisul

D Level

Opponent	Stat Totals
Cuts O	660
Frosty	619
Grasse	667
Jelemi	713
Keplis	654
Nansel	700
Narmif A	674
Nasso	729
Norris K	685
Paulin	683
Pururu	655
Tony	725

Best Stats: Nasso
Worst Stats: Pururu

C Level

Opponent	Stat Totals
Art Deco	1369
Austin	1082
Badress	1090
Danny	977
Drakken	1141
Gables	1014
Kalinka	1068
Kelmadika	1072
Kokomo	955
Lily	1181
Morenge	1068
Rushmore	1080
Teleze	1087
Torebits	1014
Turkey	1079

Best Stats: Art Deco
Worst Stats: Kokomo

B Level

Opponent	Stat Totals
Aquaria	1595
Baltic	1674
Gallo	1617
Gorotsuki	1502
Kablakan	1645
Lawrence	1588
Magmaryu	1628
Matton	1540
Morey	1709
Noish	1676
Ostrich	1602
Padagonia	1688
Pafio	1389
Picott	1532
Plethiora	1627
Tiny Tail	1565
Viseroga	1479

Best Stats: Morey
Worst Stats: Pafio

A Level

Opponent	Stat Totals
Arcford	1912
Baltok	1757
Belmar	1878
Connie	1905
Cornelia	2038
Faljit	1937
Gabriel	1753
Garage	1968
Harvey	2107
Kaiser	2059
October	1850
Saza A	1918
Spika	1888
Truzer	1898

Best Stats: Cornelia
Worst Stats: Gabriel

S Level

Opponent	Stat Totals
Babylon	2370
Naudaal	2229
Takshaga	2419
Zealous	2243
Zemlia	2396

Best Stats: Takshaga
Worst Stats: Naudaal

Big 5 - Brillia

Opponent	Stat Totals
Alsiel	2081
Antler	2204
Magnas	2438
Algestes	2867

Best Stats: Algestes
Worst Stats: Alsiel

Big 5 - Morx

Opponent	Stat Totals
Ag	2255
Uprose	2900

Best Stats: Uprose
Worst Stats: Ag

Big 5 - Goat

Opponent	Stat Totals
Walrus	2328
Balash	2063
Lahas	2963
Molfa	2200

Best Stats: Lahas
Worst Stats: Balash

Big 5 - Takrama

Opponent	Stat Totals
Dazirin	2120
Ulgarth	2252
Radiance	2902

Best Stats: Radiance
Worst Stats: Dazirin

Big 5 - Kalaragi

Opponent	Stat Totals
Albatross	2448
Mahato	2206
Keifer	1920
Exaton	2884

Best Stats: Exaton
Worst Stats: Keifer

And now ladies and gentleman, the moment you've all been waiting for... the monster with the highest stat total(so far discovered) is...
Lahas

Ok. If I messed up on anything in here let me know. Also, I did not post the breed because Trickster had all of it already figured out ont Tournament Opponents thread except the total. Hope this helps save some time.