Have 6 bad Pokemon in your party. Press L R and congratulations, you now have the ultimate team. All of these have ultimate move Action Replay Code for Pokemon Diamond

94000130 FCFF0000 B21C4D28 00000000 B0000004 00000000 E0000304 000000EC 6BC66BC4 12BB0000 85C2FDBD 85BC056C 221204C4 2761CF6D 978B3CEB A18D8807 9B53F296 B6EA67A0 1FBB4F4F 3FF45054 B63CE8D5 5A3E5A5C 0BF37235 A13A2A17 FE7F5212 0ABC703D B2D91F2D 1DEA47AB 2C069926 8A7B92A5 F5CD8A6D BCCE6F2E C2495E94 BCB77ECA 56D264B1 DB42339C 218A8D1E 43C2F977 679C0464 C13967B5 2D89E034 F433CF5F 34BC75E9 840BDBF7 4E3CBEFA AB6418CD 3EB9CD18 38010DC9 3A2FAF9F 7C92710C BB76F725 3D3B716D DC5F1A26 9542DCB3 3820E339 99CD07A8 8239F1C9 B5C95B0E 5EFD522D E00DBBD3 405182F5 0FBE4282 4AB47B86 92F4F5FD 867F87E8 2B9D7D69 E16C0DDE 00000000 E00003F0 000000EC 2599259C C5D60000 BFA3972C 2B2B7C0F EFD3C0C8 8B6B1458 9A5C3B2F 765ADC5B C38E52DE 3F48EEB9 5B35636A 433D06F4 5A40553D 81009B50 D6718131 9735C142 B7748930 EB76A2A6 7A8B7469 A752BB08 873C2272 A38D4591 7AB5B2C6 C3B019F6 B968EA8A 3DC3AE62 E1698701 6FB4ECEE 3AE72FBC 80BA173E E00E678B 3E004451 0216A596 A055EF67 7AA65E52 97CBBCE7 657D7297 47EF53A7 08E6BF61 1237D98D 8D159A4B 0B5263B8 A5E97C88 762650A6 A7AB6BE8 E4944EC2 9329B112 6EB8BA33 0195FAF9 7C4DDD4C E68C9671 C050C448 6E548B06 4AE29836 7C65B108 D572B531 8E2A14EA AD1AEFD5 06083BCC 00000000 E00004DC 000000EC 09D909DA B7E60000 02CDDA29 B18FA49F DEC5E8AF A0D12365 35C2E860 BFC9FEC3 6C0DE29F D7708A0D 4227A88F E2BBB131 6A07112B F4C37E12 850317AC B74D330F CBA60554 1938D123 F5E616B7 48C412B0 21DC4842 83E0C19D 6D47F555 FE0F9B80 B8AF8A36 B32F087C 61505C9D 56FBA109 33D8F6BB 445D5FB2 111E98BF 3A49CEB8 47D3D932 09F21C28 F3644B05 6FFE7BF7 5D7F423F 807B44B1 7C2E9B57 A597834B B61ED657 DF8B50DD 5683B58F CFC95E63 E1D18D46 8237EC6D 792C0808 5553D460 34ACDEB4 2B786445 403F8A72 6C6023DD E2CD21E3 9AE9D6F7 D39DD59A 831B5106 81F6BFCB 446AEDED 3309FB42 00000000 E00005C8 000000EC A4F1A4F4 19920000 CA61E1F6 92F3E0D5 3A37B10A 9F2F96B5 12968448 F4ACE364 8E4207EF 9CD1FE57 356356DC F4347C99 DC23C8DD C0B6E887 97B84D46 9FF69CD8 A44FE1A3 F28E23E6 B19E2E1B E02CA570 91C6CEAC 0526D999 CBF4D463 47ADA974 5434C4E5 C489412F A2042B13 FC667950 9EC42AF6 1A0350FC 67F0ED24 7F0D9996 185F990E 11014285 383D63DD BFAEF1F6 4D728848 DFB1209B C658E48D 2890D330 84E12B67 AD55C169 FC0DDD82 A810B0AE 630C0479 2D98D6C5 205D7879 D2D5F169 9C7CA8F6 3BA8F239 0567EBBA B40C75F4 C65DA940 37787AE3 B7E8FA42 8A870A96 4C1D8A90 4ADBCAD2 3B22D523 00000000 E00006B4 000000EC 7F797F7E 15010000 03F887F4 A9EF22DB AA83D7B3 0864C9A9 0DF57096 3A12F0EC FD5362A6 B9CA5172 4628AB16 73DF732C 2D75F46A 824268AD 1D4F7664 F6127523 5788EF8A 7006107F 239E49DB 7CA479A5 021BEFAB 33FF8DA3 1B5A0DE2 AA7DABA2 8CDD0249 E9B7925F 38BBA0A8 8AD29535 8ED1EC14 9170E521 7C2643DD 17DB42C7 8D536A55 36DD9CB4 72C1E508 0C12ED1A 9772F1A8 9DBE4377 542D7504 CF083B07 E7FF47C0 63563100 55DD3FAD B84A9B7A 7D7BF0B0 6DA4A8E0 EF04F8C4 792142E7 BD97EDC9 29FC9D99 586E14BC E0B8A3B2 D2415827 7F1CD42A 3AEC31DA D47F6512 EF4E7BDB 8A45BFA4 03745C9A 00000000 E00007A0 000000EC AFD5AFD2 10410000 7F41196F 080ACF10 720377FA 0D239280 6B49ABA1 D8C88D1B 45A3277E 5060A7AC F7CBB871 C6FC4CDF CCF870FA A8C97720 8029E81D 3B7EB7E0 32281DCC 5ADBC0A9 44C17D20 0C0ABF29 6E418602 D391D730 B0BDD808 2F35FF95 4FE8E986 BA538217 F2CD278A C241727A 3E80DF9F 7FD5D20C DD540CA9 102738D8 FE609302 B72F9528 FACB47FA 3FE16B4A B53AE555 CF3EF08A CBE87389 9A79E022 880C785B 8D590DB8 2AFDEA33 9E3057D9 892C23F6 32456C45 DEEAF6DA F7ECF6E5 A6B2C380 074F7B1F F18E2567 4B716E6B E1BAE1A5 77706826 2B860CD3 0C097AA5 C0809C48 3161098D 08D1D68A 00000000 D2000000 00000000

Hope this code helps you beat the game!

Also, here are ability descriptions that these Pokemon are going to have:

Wonder Guard: Only supereffective moves will hit.

No Guard: Ensures the Pokemon and it foe's attack land.

Bad Dreams: Reduces a sleeping foe's HP.

Multitype: Changes type to held matched plate.

Keep on cheating! Have fun!