- Name: 33 Mathias Onuska
- Nationality: —
- Position: G
- Shot: Catch:Left
- DOB: 05/30/2002
- Height: 6-2
- Weight: 178
- Hometown: Waterloo, ONT
- 2019-20 Team:
- 2018-19 Team: Waterloo (GOJHL)
- 2017-18 Team: Waterloo Wolves U16
- CHL Status: 2018 Kingston (OHL) 7/133
- NHL Draft Eligible: 2020