They were copied from a ChinaFE post, which in turn were derived from the Famitsu and Shogakukan (Spotpass units) guides.
And while I'm here...
Donnel with Aptitude
Lv MHP STR MAG SKL SPD LCK DEF RES Class
1 51 28 17 26 27 33 27 23 Dread Fighter
30 80 53 31 46 50 58 45 34 Dread Fighter HP-27, STR-30, SPD-27, LUK-26
30 80 53 35 47 50 58 44 36 Dread Fighter HP-29, STR-30, SPD-27, LUK-26
30 80 53 31 43 50 58 46 38 Dread Fighter HP-27, STR-28, SPD-26, LUK-26
30 80 53 28 49 50 58 45 37 Dread Fighter HP-25, STR-29, SKL-30, SPD-28, LUK-26
30 80 50 32 49 50 58 49 32 Dread Fighter HP-29, SKL-27, SPD-29, LUK-26
30 80 53 29 48 50 58 40 40 Dread Fighter HP-29, STR-30, SPD-27, LUK-26
30 80 53 29 49 49 58 49 34 Dread Fighter HP-27, STR-29, SKL-28, LUK-26
30 80 49 31 49 50 58 48 33 Dread Fighter HP-29, SKL-30, SPD-28, LUK-26
30 80 52 33 49 50 58 42 40 Dread Fighter HP-28, SKL-30, SPD-29, LUK-26
30 80 50 32 47 50 58 43 37 Dread Fighter HP-28, SPD-28, LUK-26