I guess you remember this buddy with cyber legs.
This ref is pretty old (drawn in june) but still actual.

Info (copied from DA):

Name: Nano
Biological sex: male (he/him, they/them)
Age: young adult
Species: unknown (rabbit-like alien (?))
Bio: TBA

Notes:
-one of my ancient characters.
-icon on heart implant shows his health status (green - healthy, yellow - minor injury/illness, orange - major injury/illness, red - deadly injury/illness, gray - death).
-he's a test subject or somewhat.
-Nano uses observer mode to get some information about area where he is.