How to say he found them on his own head. in Japanese
1)
彼彼(kare) (ok) that , or something understood without naming it directly)/that person/over there/hey/eh?/thatはは(ha) (int) indicating a subject/yes/indeed/well/ha!/what?/huh?/sighそれがそれが(sorega) (exp) that/it/well yes, actually, now that you mention it/well, in fact自分自分(jibun) (pn,adj-no) myself/yourself/oneself/himself/herself/i/meのの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates question頭頭(atama) (n) head/mind/brain/intellect/top/hairに(prt) indicates such things as location of person or thing, location of short-term action, etc.ある(adj-pn) a certain .../some ...のの(no) (prt) indicates possessive/nominalizes verbs and adjectives/substitutes for "ga" in subordinate phrases/indicates a confident conclusion/ indicates emotional emphasis/indicates questionをを(wo) (prt) indicates direct object of action/indicates subject of causative expression/indicates an area traversed/indicates time over which action takes place/indicates point of departure or separation of action/indicates object of desire, like, hate,見つno dictionary result, likely a conjigated verbno dictionary result, likely a conjigated verbけたけた(keta) (n) column/beam/girder/crossbeam/spar/yard/digit/decade/order of magnitude。。(。) Japanese period "."
