- Both were SM Rookies.
- Both are foreigners.
- Both are Aquarius.
- Johnny was born in America whereas Lucas was born in Hong Kong.
- Johnny was born in 1995 but Lucas was born in 1999.
- They are part of the South Korean boy group NCT .
| To view the JohnCas gallery, click here.
Community content is available under CC-BY-SA unless otherwise noted.