| Name | Attribute | Level | Type |
|---|---|---|---|
| Ruby Amplifier | 63 | General Monster | |
| Rubble Wraith | 9 | General Monster | |
| Royal Publicist Yoshi | - | 1 | General |
| Royal Knight | 58 | General Monster | |
| Royal Guards transporting supplies. | - | 1 | General |
| Royal Guards before Dungeon | - | 1 | General |
| Royal Guards | - | 1 | General |
| Royal Guard Craig | - | 1 | General |
| Royal Guard Captain Barwick | - | 1 | General |
| Royal Guard | 63 | General Monster | |
| Royal Guard | - | 1 | General |
| Royal Guard | - | 1 | General |
| Royal Guard | 120 | Boss Monster | |
| Royal Guard | 120 | Boss Monster | |
| Royal City Guards | - | 1 | General |
| Royal City Envoy | - | 1 | General |
| Roundy Chicken | - | 1 | General |
| Round Bird's Third Brothers | - | 1 | General |
| Round Bird's Second Brother | - | 1 | General |
| Round Bird's Big Brother | - | 1 | General |
| Round Bird | 5 | General Monster | |
| Round Bird | - | 1 | General Monster |
| Rotting Silt | 85 | General Monster | |
| Rotten Worm | 71 | Elite Monster | |
| Rotofruiter | 58 | General Monster | |
| Rotobulb | 6 | General Monster | |
| Rotoberry | 32 | General Monster | |
| Rotating Mech Fire Column | 29 | Elite Monster | |
| Rotating Mech Fire Column | 28 | General Monster | |
| Rotating Mech Fire Column | 29 | Elite Monster | |
| Rotating Mech Fire Column | 28 | General Monster | |
| Rotating Mech Fire Column | 71 | Elite Monster | |
| Rotating Mech Fire Column | 71 | Elite Monster | |
| Rotating Mech Fire Column | 48 | General Monster | |
| Rotating Mech Fire Column | 48 | General Monster | |
| Rotating Mech Fire Column | 49 | Elite Monster | |
| Rotating Mech Fire Column | 49 | Elite Monster | |
| Rosy Treasure | - | 5 | General |
| Rosy Heart | - | 5 | General |
| Rosemary | - | 1 | Interactive |
| Roseanne | - | 1 | General |
| Rosalie's Pet | - | 1 | General |
| Rosalie | - | 1 | General |
| Rosalie | - | 1 | General |
| Roots and Rocks | 120 | Elite Monster | |
| Ronoka | - | 134 | Elite Monster |
| Ronoka | - | 134 | Elite Monster |
| Rolph | - | 1 | General |
| Rolph | - | 1 | General |
| Rolph | - | 1 | General |