Just to reiterate... this is hardly a Who's Who List that is limited to JUST North American skaters. China and Japan also didn’t send their medal contenders from the get-go. Shen/Zhao and Daisuke Takahashi never competed in a 4CCs during an Olympic year.
Top 10 Olympic finishers who skipped 4CCs from each year include:
2002 - Elvis Stojko, Li Chengjiang, Timothy Goebel, Todd Eldredge, Michael Weiss, Fumie Suguri, Sarah Hughes, Michelle Kwan, Sasha Cohen, Sale/Pelletier, Shen/Zhao, Ina/Zimmerman, Bourne/Kraatz
2006 - Jeffrey Buttle, Zhang Min, Daisuke Takahashi, Evan Lysacek, Johnny Weir, Joannie Rochette, Shizuka Arakawa, Fumie Suguri, Sasha Cohen, Kimmie Meissner, Emily Hughes, Dube/Davison, Pang/Tong, Zhang/Zhang, Shen/Zhao, Inoue/Baldwin
2010 - Patrick Chan, Takahiko Kozuka, Nobunari Oda, Daisuke Takahashi, Jeremy Abbott, Evan Lysacek, Johnny Weir, Joannie Rochette, Miki Ando, Yuna Kim, Rachael Flatt, Mirai Nagasu, Dube/Davison, Langlois/Hay, Shen/Zhao, Pang/Tong, Evora/Ladwig, Virtue/Moir, Davis/White, Belbin/Agosto
2014 - Patrick Chan, Yan Han, Yuzuru Hanyu, Tatsuki Machida, Daisuke Takahashi, Jason Brown, Akiko Suzuki, Mao Asada, Yuna Kim, Gracie Gold, Ashley Wagner, Polina Edmunds, Moore-Towers/Moscovitch, Duhamel/Radford, Pang/Tong, Peng/Zhang, Castelli/Shnapir, Virtue/Moir, Weaver/Poje, Davis/White, Chock/Bates, Shibutani/Shibutani
2018 - Patrick Chan, Yuzuru Hanyu, Adam Rippon, Vincent Zhou, Nathan Chen, Katelyn Osmond, Bradie Tennell, Mirai Nagasu, Duhamel/Radford, Seguin/Bilodeau, Sui/Han, Yu/Zhang, Virtue/Moir, Weaver/Poje, Gilles/Poirier, Shibutani/Shibutani, Chock/Bates, Hubbell/Donohue