Most "let's attempt to salvage this pokemon" Regigigas sets in NU involve Knock Off and Thunder Wave spam. Is there a pokemon with similiar bulk that can do that?
I used Dexsearch on Showdown and got
Abra, Absol, Absol-Mega, Aipom, Alakazam, Alakazam-Mega, Ambipom, Audino, Azelf, Banette, Banette-Mega, Bisharp, Chimecho, Chingling, Cinccino, Clefable, Clefairy, Darkrai, Deoxys, Deoxys-Attack, Deoxys-Defense, Deoxys-Speed, Drifblim, Drifloon, Eelektrik, Eelektross, Emolga, Ferrothorn, Gallade, Jigglypuff, Kadabra, Kecleon, Liepard, Meloetta, Meloetta-Pirouette, Mesprit, Mew, Minccino, Pawniard, Pikachu, Purrloin, Raichu, Regigigas, Reuniclus, Shuppet, Smeargle, Swoobat, Thundurus, Thundurus-Therian, Uxie, Watchog, Wigglytuff, Woobat, Zangoose
Audino, Deoxys-D, Ferrothorn, Uxie, Clefable, Kecleon and Meloetta stand out.