Carryarm

Carryarm (キャリアーム) is a flying enemy that throws Spikings on Zero. They also carry other objects, and Zero can use them as platforms in the factory stage of Mega Man Zero. In Mega Man Zero 2, Zero needs to defeat several Carryarms in Panter Flauclaws' stage to protect the supplies of the train. Carryarm and Spiking makes a short appearance in the Rockman Zero manga.

Spiking
Spiking (スパイキング) is the name of the spiked object that the Carryarm releases in Mega Man Zero 1 and 2.