Rhino

Rhino is a chimera ant soldier from Leol's division.

Chimera Ant arc
Rhino fights Killua in a one on one match after being called up by a lottery ticket. During the fight Rhino consistently gets hit by Killua's lightning palm, until his skin is vulnerable for Killua to pierce him with his hand.

Trivia

 * Rhino's name is only given by Madhouse for the 2011 anime. The manga did not give a name.