| Full name: | Jonathan Edward Berry Walliker |
| Born: | 25th January 2001, Plymouth, Devon, England |
| Batting: | Left-hand batter |
| Bowling: | Left-arm fast-medium |
| Education: | Sherborne School, University of Manchester |
| Relations: | Sister: LEB Walliker |
| Teams: | Devon (Minor Counties Trophy: 2022-2023); Devon (Minor Counties Championship: 2022-2023); All teams |
| Lists of matches and more detailed statistics | |
| Minor Counties Championship Career Batting and Fielding (2022-2023) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Devon | 2 | 2 | 1 | 26 | 22* | 26.00 | 0 | 0 | 104.00 | 2 | |
| Minor Counties Championship Career Bowling (2022-2023) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 5wI | 10wM | SRate | Econ | |
| Devon | 150 | 4 | 73 | 1 | 1-29 | 73.00 | 0 | 0 | 150.00 | 2.92 |
| Minor Counties Trophy Career Batting and Fielding (2022-2023) | |||||||||||
| M | I | NO | Runs | HS | Ave | 100 | 50 | SRate | Ct | ||
| Devon | 5 | 5 | 3 | 43 | 17* | 21.50 | 0 | 0 | 63.23 | 1 | |
| Minor Counties Trophy Career Bowling (2022-2023) | ||||||||||
| Balls | Mdns | Runs | Wkts | BB | Ave | 4wI | 5wI | SRate | Econ | |
| Devon | 159 | 2 | 138 | 4 | 4-40 | 34.50 | 1 | 0 | 39.75 | 5.20 |