The Roller Mk. II model is a red and black incarnation of a armadillo-based Badnik. It also has yellow V-shaped ears and cartoonish eyes with black pupils.
In Sonic Mania, and its expansion Sonic Mania Plus, the Roller Mk. IIs appear exclusively in Mirage Saloon Zone Act 1 (Knuckles' version only) and 2. Like the original Rollers, they will, in gameplay, curl into a ball and attempt to attack the player. Unlike the original Roller, hitting a Roller Mk. II in ball form by either jumping or rolling will not hurt the player. Instead, the Roller Mk. II will bounce off the player and uncurl. Also, unlike the original, this Badnik will actively pursue the player rather than roll forward continuously, turning around if the player goes past them.
In order to defeat these Badniks, the player must use a Spin Attack to bounce into them and make them uncurl, then quickly destroy them with any attack before they curl up again. Upon their destruction, they release an Animal.
- This Badnik's red and yellow color scheme, as well as the animal species it is based on, give it a resemblance to Mighty the Armadillo. This is further emphasized in the Badnik's description in Sonic the Hedgehog Encyclo-speed-ia.
- The sound effects used by the Roller Mk. IIs when they jump and curl up are the same as those heard in Sonic the Hedgehog CD and Knuckles' Chaotix.