```
Caesar cipher
Cvht_Cvooz{D35bS_3OD0E3_4S3_O0U_T3DvS3_BU_4MM}
ROT25 ("rotate by 25 places", sometimes hyphenated ROT-25)
Bugs_Bunny{C35aR_3NC0D3_4R3_N0T_S3CuR3_AT_4LL}
```