N . D . ▁Appro x . ▁ 2 6   cm ▁tall . ▁Despite ▁its ▁c ute ▁mon key ▁look , ▁it ▁can ▁be ▁quick ▁and ▁sometimes ▁even ▁mean . ▁ ▁Ko 2 ▁( K oko ) ▁ ▁Koh ' s ▁F . R . I . E . N . D . ▁ 1 8 7 . 9 6   cm ▁tall . ▁Control led ▁by ▁Koh ' s ▁custom ized ▁Device , ▁she ▁is ▁a ▁F . R . I . E . N . D . ▁a ▁human ▁sh aped ▁friend ▁with ▁ ▁powerful ▁fighting ▁ability . ▁She ▁f ights ▁in ▁a ▁style ▁distinct ive ▁from ▁the ▁others , ▁using ▁such ▁techniques ▁as ▁Had ō ken ▁( Sur ge ▁F ist ). ▁ ▁O val ▁ ▁Appro x . ▁ 4 0   m ▁tall . ▁The ▁creature ▁the ▁Black - C lo aked ▁Four ▁has ▁been ▁working ▁to ▁sum mon ▁for ▁some ▁time . ▁It ▁requires ▁a ▁medium ▁in ▁order ▁to ▁appear ▁in ▁this ▁world , ▁and ▁Mas ashi ▁becomes ▁that ▁long - await ed ▁medium . ▁It ▁is ▁also ▁the ▁emb od iment ▁of ▁the ▁energy ▁of ▁all ▁F . R . I . E . N . D . s . ▁ ▁Th eme ▁song ▁ ▁The ▁theme ▁song ▁of ▁J elly fish ▁E yes ▁is ▁" Last ▁Night , ▁Good ▁Night ▁( Re : D ia led )" ▁by ▁liv et une ▁fe at . ▁H ats une ▁Mik u , ▁from ▁the ▁compilation ▁album