Make your nickname a hexadecimal sequence, or binary, or octal, or decimal.
gcc nname.c -o nname
ex:
./nname pidor -o -p 0x
0x7069646f72
./nname pidor -P h
70h 69h 64h 6fh 72h
./nname pidor -b -o -p 0b
0b0111000001101001011001000110111101110010
./nname pidor -O -o -p 0
0160151144157162